Sounds like a dose of Malware, possibly due to these two plugins. MindSpark Toolbar Platform Plugin Stub for 32-bit Windows GamingWonderland Installer Plugin Stub for 32-bit Windows You can try these free programs to scan for malware, which work with your existing antivirus software: * [http://www.microsoft.com/security/scanner/default.aspx Microsoft Safety Scanner] * [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware] * [http://support.kaspersky.com/faq/?qid=208283363 TDSSKiller - AntiRootkit Utility] * [http://www.surfright.nl/en/hitmanpro/ Hitman Pro] * [http://www.eset.com/us/online-scanner/ ESET Online Scanner] [http://windows.microsoft.com/MSE Microsoft Security Essentials] is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one. Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article.

As '''the-edmeister''' indicates your MindSpark Toolbar Platform Plugin Stub is a regular troublemaker. Suggest you Google it for information and removal advice(from third parties). Does it do anything '''for''' you?