1. Check if your computer has a reliable anti-virus software program installed. Run the anti-virus software on your PC to clear out all possible threats or viruses that may have harmed your browser. Download an anti-virus software program online if you do not have one yet.
2. See to it that your system is well updated. Go to Start > All Programs > Windows Update to check if your Windows software updates are running. Update the system with new add-ons if required by the updates window.

3. Click on the 'Start' button on the bottom of your desktop and select 'My Computer.' Right-click the specific hard drive where Windows is installed and select 'Properties' in the menu. Most computers usually have Windows installed in “Drive C.' Check with your computer technician if you are not sure.
4. Go to the Tools tab and click on the 'Check Now' button right under Error-checking. See to it that both options are selected before you hit on the Start button.
5. Schedule the disk check while the operating system is running. This will start the scan automatically the next time you boot up your PC.
6. Click on your desktop’s 'Start' button and type in 'msconfig' in the Run bar. Select the 'Msconfig' tool from list of results of your search.
7. Go to the Startup tab and remove the selected entries there. Check if the security software of your PC is disabled as this may be the cause of your Windows Explorer’s problems. Keep it checked while removing the other entries.
8. Switch to the window’s Services tab and tick on the “Hide all Microsoft services” option at the bottom. This will only allow third-party services to be displayed. Disable the third-party services and restart your computer.