That's a bad file. Malware. Not sure what it's from, but it's commonly removed. What probably happened is one of your antispyware programs deleted that .dll and something is still trying to run it. It's actually good that it's not running, but not good that its parent program wasn't cleaned up.
You should post a hijack log in our hijack forum
. Read this
first. Please be patient, it's taking a long time to get to the logs.
Don't post to your own log because they're looking for posts with no replies first.
Don't attempt to fix anything with Hijack This yourself.