If you want to see how badly you’re infected with virus, spyware, and malware, go to http://housecall.trendmicro.com/, and click download HouseCall. After download run HouseCall, it is recommended that first-time users select the Quick Scan option, which is available in addition to the Full Scan or Folder Scan options. If you have anything, remove them.
System Requirement
Hardware
* At least 300MHz IntelTM PentiumTM processor or equivalent
* At least 256MB memory
* At least 200MB available disk space
Operating System
* Windows™ XP (32-bit) Home or Professional with SP2 or SP3
* Windows Vista™ (32-bit, 64-bit) Ultimate, Business, Home Premium, or Home Basic with SP1 or SP2
* Windows 7 (32-bit, 64-bit)
Display
* At least high-color (16-bit) and a minimum resolution of 1024x768 pixels
http://housecall.trendmicro.com/
