Internet Explorer freezes, shuts down without warning, or the computer reboots.

Internet Explorer freezes, shuts down without warning, or the computer reboots.
This problem is often caused by out-of-date video drivers. Go to the Web site run by the manufacturer of your video card and download, then install, the latest (non-beta) drivers for your video card.
Alternatively, you can try the following:
1. Click Start, and then click Control Panel.
2. Click Display (in classic view of Windows XP), click the Settings tab, and then click Advanced.
3. Click the Performance or Troubleshooting tab (depending on your operating system), and then reduce hardware acceleration a notch at a time until your system stabilizes.




"A runtime error has occurred. Do you wish to debug?"
This is another symptom that tends to raise suspicions of malware.
1. In Internet Explorer, on the Tools menu, click Internet Options, and then click the Advanced tab.
2. Make sure that Disable Script Debugging (Internet Explorer) and Disable Script Debugging (Other) are both enabled.
3. Make sure that Disable a Notification about ever script error is disabled.