To troubleshoot the problem,
Step 1: Disable Script Debugging:
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Open Internet Explorer, click Tools and select Internet Options.
2. Click the Advanced tad and check [tick] the box for ?Disable Script Debugging? under Browsing.
3. Click Apply and Ok.
4. Close Internet Explorer and open again.
If that does not help then
Step 2: Remove Adware/Spyware files
When this error comes up there will be a link [or button] which says ?To see what data this report contains ? clicking that it will give a detailed error report where it will reference some file name like wsystem32.exe. In this case, take the file and put it in google and check what software or application it is related to [99% will be a spyware file]. You may also check the file at http://www.answersthatwork.com/
In this case, download, install & run Ad-aware from
http://lavasoft.element5.com/software/adaware/
The best known tool to remove Adware/Spyware files from system.
If the problem still remains,
Step 3:
Go to Control Panel - Add/Remove Programs and remove Gator, Smart tag support for internet explore [if found].
If the problem still persists,
Step 4: Upgrade / Repair Internet Explorer
Even still the Error appears, try to upgrade Internet explorer to the latest version [IE6.0 SP1a].
http://www.microsoft.com/windows/ie/default.asp
If you have the latest version then repair Internet Explorer as given in the following MSKB
http://support.microsoft.com/default.aspx?kbid=318378