A BHO or Browser Helper Object is installed and failing.

From memory it's a PEST or PARASITE (Ycomps.) I'd look it up but your post has a typographical error and I don't work hard on those. Please consider that its fine to typo/mispell all other words, but the error.

Parasite removal programs.


http://reviews.cnet.com/5208-6132-0.html?forumID=32&threadID=1313&start=0 notes the five scanning tools and removal tools that are fairly safe. If one does encounter an issue, its always been damage done by the MALWARE. The most common issue being Layered Service Provider replacement which you can use LSPFIX (Hint: use http://www.google.com to find).

The thread has follow on discussions about new links if you don't want to use Google to find an item.

Bob

PS. All the tools are free.