1. Click 'Start' on the desktop, followed by 'Control Panel.'
2. Open 'Device Manager' and select the CD or DVD drive on the computer.

3. Click the 'Drivers' tab. Select 'Uninstall Drivers' from the list of driver options.
4. Accept the changes and restart the computer. The drivers will now be removed, which will create Error Code 39 the next time the drive is accessed.

Download a Signed Graphics Driver
1. Press the 'Windows' and 'R' keys simultaneously. This opens a 'Run' box.
2. Type 'Devmgmt.msc' in the 'Run' box and press 'Enter.' This opens the 'Device Manager' in a new window.

3. Click 'Display Adapters' and then right-click your adapter. Click 'Update Driver Software.' This opens a new dialog on your screen.
4. Click 'Search Automatically for Updated Driver Software.' This searches for and downloads a Microsoft-approved graphics driver.
Update DirectX
5. Visit the Microsoft DirectX Download Center (see Resources).
6. Download the 'DirectX End-User Runtime Web Installer' by clicking the blue 'Download' button.
7. Click the 'Run' button on the 'Do you want to run or save...' dialog. This downloads the updater and loads a 'Welcome to Setup for DirectX' dialog.
8. Click 'I Accept the Agreement' and then click the 'Next' button. This initiates the automated installer.
9. Click the 'Finish' button on the 'Installation Complete' window. Try to start the game; continue reading if the error continues.
Reinstall Game
10. Press the 'Windows' and 'R' keys simultaneously.
11. Type 'Appwiz.cpl' in the 'Run' box and click the 'OK' button. This opens a new window on your screen.
12. Right-click on your game and click 'Uninstall.' Click the 'Yes' button on the confirmation.
13. Press the 'Windows' and 'R' keys simultaneously. Type 'C:\Program Files' and press the 'Enter' key. This opens a window containing your program file folders. Ensure that the uninstall process deleted the game folder. If the game folder is still there, right-click the folder and click 'Delete.'
14. Insert your game installation disc and follow the on-screen prompts to reinstall. If your game includes a DirectX redistributable, click 'Yes' on the 'Do you want to install DirectX?' screen.
Run Game as Administrator
15. Right-click the shortcut you use to launch the game and click 'Properties.'
16. Click the 'Compatibility' tab.
17. Click in the box next to 'Run This Program as an Administrator' and then click the 'Apply' button. Launch the game.

1. Log in to a computer on the network.
2. Click the 'Start' icon and then type 'CMD' into the 'Run' box in the menu to open the command prompt.

3. Type \\servername\share in the command prompt. Replace the 'servername' text with your server's name.
4. Press 'Enter' on the keyboard.

1. Navigate to the 'Search' menu of your computer. Click 'Search.' Choose 'All Files and Folders.' Enter '.tmp' in the search box under the 'All or part of the file name' section. Press the menu arrow and choose to 'Search' your 'C' drive.
2. Delete each result that comes up in the 'Search Results' window. This removes each temporary file from your operating system.

3. Open your 'System File Checker.' This tool looks through the files on your computer and finds any damaged or lost files. Go to 'Start' and choose 'Run.' Then, enter 'sfc/scannow' on the command prompt and hit 'Enter.' If the tool locates any corrupt or lost files, just place your Windows Installation CD into your disc drive to recover the files.
4. Go to the web page of RegCure (see 'Resources'). This software allows you to find and repair EXE files. Install this program on your laptop or desktop. Then, click the tiny software icon to begin the installation process.
5. Start RegCure on your computer. Allow the software to run and repair all of your EXE issues.

1. Open the Windows Registry Editor by clicking “Run” from the Start menu. If you are using Windows Vista or 7, type “Run” in the search box found in the Start menu.
2. Click on the “HKEY_LOCAL_MACHINE” key found on the left side of the Registry Editor. Click the small arrow or plus sign located left of the icon to reveal additional keys.

3. Keep on expanding the keys till you reach the “HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows NT\\Current Version\\Winlogon” path. Click on the “Winlogon” key once you've expanded the “Current Version” key.
4. Right-click the “Userinit” entry located on the right panel and select “Modify.” Set the value to \'C:\\Windows\\system32\\userinit.exe,\' without quotes. Restart your computer and see if the error reoccurs.

1. Prevent a runtime error message from appearing, according to Support.Microsoft.com, by clicking the following in order: 'Tools,' 'Internet Options,' 'Advanced,' 'Disable script debugging(Internet Explorer)' and 'Disable script debugging(other).' If the problem disappears, proceed to Step 5.
2. Run your anti-virus software. If you do not have an anti-virus program, get one. While some programs cost money, you can find free programs such as ClamWin and PCTools. If the problem disappears, proceed to Step 5.

3. Uninstall the program that causes the Microsoft runtime error. (Be sure you have the disk or program available to reinstall later.) Click the 'Start' button in the lower left-hand corner of your computer, and then click 'Control Panel,' 'Programs' and 'Programs and Features.' Choose the program that is causing your runtime error, and click 'Uninstall.' Reinstall the program. If the problem disappears, proceed to Step 5.
4. Run a registry scanner. If you do not have a registry scanner and cleaner, you can download free programs such as RegCure and Eusing Free Registry Cleaner. After downloading your registry cleaner, run the program to verify whether the cleaner has fixed the Microsoft runtime error..
5. Restart your computer. Open the program that caused your runtime error to be sure the error no longer appears.

Disable Third-party Applications
1. Look in the Windows notification area by the system clock for Carbonite or IDrive application icons. Click the arrow icon to show hidden icons.
2. Right click Carbonite or IDrive application icons to open the menu options. For Carbonite, click 'Disable Carbonite.' For the IDrive icon, click 'Stop Scheduled Backup' and 'Disable Scheduled Backup.'

3. Click the Windows logo icon. Go to 'All Programs,' select 'StuffIt,' then 'StuffIt Tools,' and click 'Expander' to open the main program window. Select 'Edit/Application Options.' Click the 'Zip archives (.zip)' box to remove the check mark. Click 'OK.'
4. Open the options menu for any other third-party program on your computer that is responsible for associating, opening or managing '.zip' files. Deselect the '.zip' file option to remove the association. Or disable the program altogether.
5. Click the Windows logo button. Type 'backup' in the 'Search programs and files' box and press Enter. Click 'Set up backup' to begin the Windows backup process.
6. Enable all programs and applications, such as Carbonite, IDrive and StuffIt, after Windows backup has completed.
Download Windows 7 Hotfix
7. Open your Internet browser and go to Microsoft.com. Click 'Microsoft Support Home' from the 'Support' tab.
8. Type '2283445 hotfix' in the search box at the top of the page. Press Enter or click the search button. Click the title of the article number that mentions the backup process. Read the symptoms section to confirm that the Windows 7 hotfix applies to your situation.
9. Click the 'View and request hotfix downloads' near the top of the page next to the hotfix icon. Click the box for either the 32-bit or 64-bit Windows 7 version you have installed on your computer. Type your email address in the box and click 'Request hotfix.'
10. Check the email inbox which you registered for the Windows 7 hotfix. Open the email from Microsoft.com. Double click the password listed in the 'Package' section at the bottom of the email to highlight it. Right click the highlighted password and click 'Copy.'
11. Click the link at the bottom of the email in the 'Package' section. Save the file to the Windows desktop. Double click the 'exe' file to open it. Click 'Run.' Click 'Continue.' Click the 'Browse' icon, select 'Desktop' from the list and click 'OK.' Click 'OK.' Right click the password field and click 'Paste.' Click 'OK' to extract the installation file.
12. Double click the hotfix installation file on your desktop. Click 'Yes' if a user-account control message appears. Follow any on-screen prompts and wait for Windows to automatically install and apply the hotfix on your computer.
13. Open the Windows backup utility. Click the 'Set up backup' option to restart Windows backup and proceed as normal.

1. Run Windows Update. Recent updates for your Windows OS may help solve theissue. To begin, open the 'Start' menu, and navigate to 'All Programs.'
2. Select 'Windows Update' from the list. This opens a new iteration of Windows Explorer where Windows Update is displayed.

3. Select the 'Express' option, and follow the instructions to install any Windows updates your PC needs.
4. Run a full anti-virus scan and a full anti-adware scan.
5. Find the amount of RAM your computer has. Do this by opening the 'Start' menu and navigating to Control Panel.
6. Select 'Performance and Maintenance,' then 'System.' This opens the System Properties window. The amount of RAM your computer has is listedhere.
7. Find the technical specifications for the program the runtime error is affecting; these specifications are usually on the box the program came in, or on the website you downloaded the program from. Find the minimum amount of RAM necessary in order to run the program, and compare it to your PC's amount of RAM. If your amount of RAM is below the minimum required to run the program, consider purchasing more RAM.

1. Repair corrupt registries by performing a system restore. Click on the Start menu and select 'All Programs.' Click on 'Accessories' and then 'System Tools.' Select 'System Restore.' Click on 'Restore my computer to an earlier time' and hit 'Next.' Select a restore point on a date before you started noticing these runtime errors. Please note that system restore will not affect any personal files. It only affects system files, computer registries and settings.
2. Remove runtime errors from your Internet Explorer Web browser. Click on 'Tools' and choose 'Internet Options.' Hit the 'Advanced' tab. Check the box beside 'Disable script debugging (other)' under browsing. Click on 'Apply' and then 'OK.'

3. Rearrange your files on your hard disk using 'Disk Defragmenter.' Runtime errors may occur if the files on your computer are not easily accessible. Click on 'Disk Defragmenter' under 'System Tools' from Step 1. Click on the tab 'Disk Defragmenter' tab and hit 'Degfragment.'
4. Remove viruses off your computer. Computer viruses and other malware can give you frequent runtime errors. Use the anti-virus program that is pre-installed on your computer and run a complete scan. Use the on-screen guided prompts to remove the virus(es). If you do not have an anti-virus program, it is recommended you get one as soon as possible. Avira, Norton and AVG offer free downloads.
5. Remove suspicious programs. In other words, remove any program from your system that you do not recall installing or do not use anymore. Click on 'Control Panel' from the Start Menu. Double-click on 'Add or Remove Programs.' Scroll down the list and locate any suspicious programs. Single-click on each of them and click on the 'Change/Remove' button. Click on 'Remove' to confirm.
6. Update your operating system. Runtime errors may occur if your Windows OS is too outdated. Click on the Start menu and select 'Windows Update.' Wait patiently as Windows installs all the necessary updates. Restart your computer after the install.

1. Perform a clean boot of your PC. A clean boot will prevent outdated drivers, start-up programs and settings from loading, which may be causing you to receive an error message. Run 'msconfig' and choose the 'Selective Startup' option. Uncheck all of the program boxes and then restart your computer. You can then try to reinstall Windows XP.
2. Get rid of any anti-virus programs or boot manager programs currently installed on your computer. These applications can interfere with the installation of Windows XP and cause you to receive an error message.

3. Repair your damaged file system. A damaged file system can cause installation errors to occur for Windows XP. To fix this problem, press the 'R' key during start-up. You will be redirected to the 'Recovery Console' and can begin repairing the damage by typing in 'chkdsk /r.' Once you are finished, you can type 'exit' and then resume installing Windows XP.
4. Use a new Windows XP installation CD or download directly from your computer. Many installation errors come from a CD that has been damaged or scratched. Purchase a new CD or download Windows XP directly from Microsoft.
5. Type the following into DOS mode: [CD-ROM Drive]:\i386\winnt.exe. Trying to install Windows XP in DOS can produce an error message. Fix this install issue by using this command to launch Windows XP setup.
6. Remove any hardware that is not compatible with Windows XP. You can find of list of incompatible hardware devices on the Microsoft website.

1. Click the 'Service Pack 2' page in Resources.
2. Click 'Download,' 'Save' and save the file to your desktop.

3. Double-click the downloaded file.
4. Click 'Run' and 'Install' to install the file from your hard drive, obviating the possibility of update errors.

1. Check and see if your BIOS is set up to boot from the CD drive. Do this by turning on your computer and looking for the message that says 'Press __ to enter setup' (where '__' is the key to press to enter setup; each computer is different). Press that key, and when you enter BIOS, look for the words 'Boot order' and make sure 'CD Drive' (or DVD depending on what kind of drive you have) is at the top of the list. Then exit your BIOS, saving the changes you made.
2. Insert your Windows XP CD into the disc drive and turn the computer on. When the message 'Press any key to boot from the CD' appears, press any key on the keyboard. At the welcome screen for Windows XP setup, press the 'Enter' key.

3. Press 'F8,' and on the next screen pick the hard drive you want to format and install Windows XP on. Then, click 'Next.'
4. Wait while setup installs Windows XP. Most of the process is automatic, but at times it will stop the installation and wait for you to enter in information or choose options for the operating system. You have now installed Windows XP despite the Bootmgr file being missing.

1. Click the 'Start' button. Choose 'Control Panel.' Wait for the Control Panel display window to load onto the screen.
2. Double-click the 'Computer Management' option. Select 'Disk Management.'

3. Right-click the CD/DVD option. Select 'Change Drive Letter and Paths.' Choose 'Change,' then select a letter for the drive.
4. Click 'OK,' then exit out of the Control Panel and restart the computer. Once it boots up you are able to install the programming without running into any further Error codes.

1. Click the Windows 'Start' button. Type 'event viewer' in the search text box and press 'Enter.' The Event Viewer is a utility available with each Windows operating system. It lets you view error messages in the Windows log files.
2. Click the arrow next to the 'Windows Logs' icon. This expands a list of options. Click the 'Applications' icon. In the center detail pane, a list of error messages are shown. Click the access violation error you want to analyze.

3. Review the first line in the error message. The first line tells you what application caused the error. Some access violation messages also show you the function in the program code where the error occurred. This is helpful when reporting the error to the developer.
4. Read the second line where a hexadecimal message is shown. This is the memory address where the error occurred. This is also helpful to the software developer. If any messages are included, the message is shown to the right of this memory address.

Check for Microsoft Virtual Machine Installation
1. Open Internet Explorer on your computer by double clicking the program icon located on your computer's desktop.
2. Select the 'Tools,' 'Internet Options,' 'Advanced' menu options.

3. Scroll down the listing of programs to see if the Microsoft Virtual Machine (MVM) is installed on your computer. If the application is not listed, then the application is not installed. If it is, you will need to manually remove the application since Microsoft no longer provides the MVM removal tool for download and usage.
4. Exit Internet Explorer by selecting the 'File' and 'Exit' menu options on Internet Explorer.
Manually Remove the Microsoft Virtual Machine
5. Select the 'Start' and 'Run' menu options to open the DOS command prompt.
6. Enter the following command to initiate remove of the MVM from the DOS command prompt:
RunDll32 advpack.dll,LaunchINFSection java.inf,UnInstall
7. Select the 'Yes' menu button to confirm your desire to remove the MVM from your computer. Restart the computer when prompted by the Operating System to proceed with the removal.
8. Open windows explorer after computer restart by enter the 'Windows E' keys simultaneously.
9. Delete the following files and folders from your computer by single clicking the file or folder followed by depressing the 'delete' key on your computer:
c:\winnt\java, c:\winnit\inf\java.pnf, and c:\winnt\system32\jview.exe
10. Select the 'Start' and 'Run' menu options followed by entering 'regedit' to open the operating system's registry editor.
11. Enter 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Java VM' in the search menu option. Single left click the registry entry followed by the 'delete' key.
12. Enter 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\AdvancedOptions\JAVA_VM' in the search menu option and single left click the entry followed by the 'delete' key to finish removing the MVM from your computer's registry.
Install Sun Java
13. Navigate your computer's web browser to the Sun Java download site listed in the resources below.
14. Select the 'Free Java Download' menu button followed by the 'Save File' menu option on the subsequent dialogue box prompt.
15. Double click the Java installer file after download has completed.
16. Accept the default menu prompts presented by the Sun Java installer.
17. Restart your computer to complete the Sun Java installation on your Windows XP computer.

1. Click the Windows Start button and select 'Control Panel.' In this window, double-click the 'Administrative Tools' icon and then double-click 'Internet Information Services.' This opens the IIS console.
2. Click the icon labeled 'Default Web Site' on the left side of the window. This loads a list of directories and files on the right side of the window.

3. Right click 'Localstart.asp' and select 'Properties.' This opens a property window. In the new window, click the 'File Security' tab.
4. Click the 'Edit' button located in the 'Anonymous access and authentication control' section of the property window. In the dialog box displayed, remove the check mark labeled 'Anonymous access.'
5. Click the 'Save' button and open the website in your browser. The website should display pages regularly, and the user should not see a 500 error.

1. Visit the Microsoft Compatibility Center (the link is listed in Resources) and verify that the attached device is compatible with your computer's operating system. If it is, continue; if it is not, skip all steps and install another device that is compatible so that it can work correctly with your computer's operating system.
2. Click the 'Start' button and then click 'Control Panel.'

3. Click 'System and Security' located under System and then click 'Device Manager.'
4. Click the device you want to update and then double-click its name.
5. Click the 'Driver' tab and then click 'Update Driver.' Enter your administrator password or provide confirmation, if prompted. If you still see the Code 31 error, continue.
6. Visit the Microsoft Automated Troubleshooter website and run the 'Mr. Fix It' diagnostic test.

1. Insert the Windows 98 rescue disk in the computer's 'A' drive.
2. Reboot the computer.

3. Type 'fdisk /mbr' at the '
' prompt and hit the 'Enter' key on the keyboard.
4. Wait for the repair process to complete. Reboot the computer when the process has finished.

Stop The Process
1. Press 'Ctrl' 'Alt' 'Delete.'
2. Click on 'Start Task Manager' and then click on the 'Processes' tab.

3. Click on 'rundll.exe' and then click 'End Process.'
Locate and Delete The Registry Entry
4. Click on the 'Start' menu.
5. Type 'regedit' into the Search Programs and Files box and press 'Enter.' The Registry Editor opens.
6. Navigate to the following folder in the left pane of the Registry Editor. Click on the folder when you find it.'HKEY_LOCAL_MACHINE> SOFTWARE\ Microsoft\ Windows\ CurrentVersion\ RUN'
7. Right-click on the following registry entry in the right-pane of the Registry Editor and select 'Delete.''rusvdgpo' = 'System\undll32.exe System\usvdgpo.dll, [RANDOM LETTERS]'
8. Restart your computer. When your computer restarts, it will automatically fix the Run DLL error.

1. Select and download a Live Linux distribution – commonly referred to as a “distro.” Knoppix and Ubuntu Linux are commonly used distros for repairing Windows installations. However, just about any distribution of Linux is suitable for repairing MBR or bootmgr.exe errors. You can view many Linux distributions at sites such as Livecdlist.com and Distrowatch.com. Save the ISO image for the Linux distro to a folder on your computer. Note that depending on the size of the Linux distro you select, the download may take from several minutes to a couple of hours to complete.
2. Insert a blank CD into the optical burner drive of the computer. If the Windows AutoPlay box appears, click the “X” in the top right-hand corner of the window to close it.

3. Launch the CD burner application on the computer. Click the “Burn ISO” or “Burn Image” option on the menu or toolbar. Select the ISO image file for the Linux distribution you downloaded earlier. Follow the prompts to burn the image to the blank disc. Remove the newly created Live Linux CD from the burner when prompted.
4. Insert the Live Linux CD into the optical drive with the faulty MBR or bootmgr.exe file. Power on the computer and press a key on the keyboard when prompted to boot the PC from the Live Linux CD. Wait a few minutes for Linux to load from the CD and the desktop screen to appear on the monitor.
5. Click the “Start” or “Launch” button on the Linux taskbar or dock menu. Click “Accessories,” then “Terminal.” A command prompt window appears on the monitor.
6. Type the following command at the Linux command prompt:
sudo apt-get install syslinux
Press the “Enter” key. Wait a few minutes for the machine to connect to the package repository site for that particular distribution and download the package needed to repair the MBR or bootmgr.exe error. A message should appear confirming the successful download of the package.
Note that if “sudo apt-get install syslinux” returns an error, try “sudo apt-get install mbr” instead. The “syslinux” package may not be available for all Linux distros.
7. Type the following command at the command prompt if you used the “syslinux” package:
sudo dd if=/usr/lib/syslinux/mbr.bin of=/dev/sda
Press the “Enter” key and wait for the package to repair the corrupted MBR record or bootmgr.exe file.
8. Type the following command at the command prompt if you used the “MBR” package:
sudo install-mbr –I n –p D –t 0 /dev/sda (be sure to include the spaces)
Press the “Enter” key and wait for the package to make the needed repairs.
9. Remove the Linux Live CD from the optical drive on the PC and restart the computer. After the PC restarts, the machine boots normally into Windows.

1. Scan your computer for viruses. Virus activity can affect DLL (Dynamic Link Library) files that control how the video card functions.
2. Download the most up-to-date drivers for your video card. Drivers are dependent on your video card manufacturer, either ATI or Nvidia.

3. Click 'Start' then type 'Memory' in the search bar. The Windows Memory Diagnostic tool should be the only option. Click on it and select the 'Restart Now and Check for Problems' option. If serious errors continue, you'll have to replace the random access memory (RAM) in your computer.

1. Click 'Start,' then 'Control Panel.' The Control Panel opens.
2. Double-click 'System and Maintenance,' then click 'Problem Reports and Solutions.'

3. Click 'Check for New Solutions.' Windows will scan your computer and determine if there is a solution to your problem. If there is, a link will appear under 'Solutions to Install.' Click this link and follow the step-by-step instructions. If the problem is still not solved, you must update Windows.
4. Click 'Start,' 'All Programs,' and 'Windows Update.'
5. Click 'Check for Updates,' and then click 'Install Updates' to install any available updates. Windows updates often include new drivers and fixes to common problems. If the problem is still not solved, continue to the next step.
6. Insert the Windows installation disc and restart your computer.
7. Click any key to start the Windows installation disc.
8. Choose your 'language' from the dropdown menu, then click 'Next.'
9. Click 'Repair Your Computer,' then select the operating system you want to repair and click 'Next.'
10. Click 'Startup Repair' and follow the prompts as Windows tries to fix the problem. If the problem is still not fixed, you likely have a hardware problem and should contact your computer manufacturer.

1. Start your computer in Safe Mode. Do this by hitting the F8 key repeatedly as you turn it on.
2. Run an antivirus program. Windows comes with a tool known as the Malicious Software Removal Tool, which you can find by going to Start -> Run and typing 'MRT.' Third-party antivirus software like Norton or McAfee will work as well.

3. Restart your computer normally. Go to the Run dialogue in the Start menu. Type 'regsvr32 initpki.dll' (no quotes) and hit 'OK.' This will reset the registry file(s) affected by the bug. Restart your computer again.