Brady, Sounds like nachi. install the windows patch to fix nachi from microsoft.com then shut down. Restart in safe mode and delete the files in the c:/windows/system32/wins folder, there should be 2. You can also check there to confirm that it's actually nachi. Once you install the patch you won't be able to get nachi again, so just delete the files and then you're good. Let me know how that goes.