Windows Registry Repair
1. Download Windows Registry Repair (see Resources). Click the installation link and follow the on-screen instructions to install the program onto your computer. Open the program by clicking the icon on your desktop or through the Start menu.
2. Click the 'Full Scan' button on the left side. When the scan is complete, the errors will be listed in the main screen. All errors are automatically checked when the scan is completed. Click the 'Fix Errors' button.

3. Close the program by clicking the 'X' on the top-right corner.
Registry Mechanic
4. Download Registry Mechanic (see Resources). Click the installation link and follow the on-screen instructions to install the program onto your computer. Open the program by clicking the icon on your desktop or through the Start menu.
5. Click the 'Scan Your Registry' button and the registry scan starts. This can take a few minutes, depending upon the speed of your computer. When the scan Is completed, the errors will be listed in the main window. All errors are automatically checked. You can browse through the errors if you are interested in what Registry Mechanic found.
6. Click the 'Repair' button and Registry Mechanic will fix the registry errors found. Close the program by clicking the 'X' in the upper-right corner.
CCleaner
7. Download CCleaner (see Resources). Click the installation link and follow the on-screen instructions to install the program onto your computer. Open the program by clicking the icon on your desktop or through the Start menu.
8. Click the 'Registry' button on the left side. Click the 'Scan for Issues' button at the bottom of the window, and CCleaner will scan your registry for errors. This will take a few minutes, depending on how fast your computer is running. When the scan is finished, the errors will be listed in the window and each error is automatically checked. You can browse through the errors if you are interested in the problems CCleaner found.
9. Click the 'Fix Selected Issues' button at the bottom of the window. A 'Do you want to backup changes to the registry' prompt opens. Click 'Yes,' name the file in the 'File name' field and click the 'Save' button. When it finishes saving, a window opens. Click the 'Fix all selected issues' button. You will see 'Issues Fixed' on this screen when it is finished. This only takes a few minutes, depending upon the speed of your computer. Click the 'Close' button and then click the 'X' in the upper right corner to close CCleaner.