Hi Angela,
- What is the complete/exact error message?
- Is this issue confined to a specific website?
- Are you using Internet Explorer as the default browser? If yes, which is the version installed on the computer?
A runtime error is a software or hardware problem that prevents Internet Explorer from working correctly. Runtime errors can be caused if a website uses html code that is not compatible with the web browser functionality.
If you are using Internet Explorer, proceed with the steps.
Method 1:
You may run the Fixit provided in the article and perform the steps mentioned.
Fix Runtime Errors in Internet Explorer
http://support.microsoft.com/kb/822521
Method 2:
If the issue still persists, perform an SFC scan on your computer. Refer to the following link:
Refer:
How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7
http://support.microsoft.com/kb/929833
Hope this information helps. Reply with the status so that we could help you further.