This error normally suggest that a DLL file is missing from the sytem registry or has gone corrupt. This has possibly happened when you have tried to download some content from the internet.
Please try any of these steps and see if it hepls:
Click Control Panel
Click Classic View
Click Add/Remove Programs
Select "My Web Search"
Restart your computer.
2. Click run
click ok button
u will see
System configuration utility
go to startup tab
Site is listed as suspicious - visiting this web site may harm your computer.
Part of this site was listed for suspicious activity 2 time(s) over the past 90 days.
What happened when Google visited this site?
Of the 154 pages we tested on the site over the past 90 days, 54 page(s) resulted in malicious software being downloaded and installed without user consent. The last time Google visited this site was on 2009-09-16, and the last time suspicious content was found on this site was on 2009-09-16.
Malicious software includes 393 trojan(s). Successful infection resulted in an average of 2 new process(es) on the target machine.
This site was hosted on 1 network(s) including AS32613 (IWEB).
Has this site acted as an intermediary resulting in further distribution of malware?
Over the past 90 days, errordoctor.com did not appear to function as an intermediary for the infection of any sites.
In some cases, third parties can add malicious code to legitimate sites, which would cause us to show the warning message.
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* If you are the owner of this web site, you can request a review of your site using Google Webmaster Tools. More information about the review process is available in Google's Webmaster Help Center.