New
#21
Clear out your Programs list of anything that looks suspicious, or ask back.
Disable all add-ons except FlashPlayer's most recent update and any others that you now for certain you use because you installed them when prompted to achieve a task.
Look in your Search list to see if any spyware has snuck in, remove everything but Google.
Uninstall your AV, install Microsoft Security Essentials, free Malwarebytes and SUPERAntiSpyware.com - Downloads, run a full scan. SuperAntiSpyware.