You can schedule the antiviruses and the spyware doctor to run while you are not on your computer,; the spyware removers can be run manually too,
Download and update the avg antivirus and download the spyware doctor below the shut your computer down and restart it and tap the F-8 key repeatedly while the system starts up and select safe mode and run the avg and the spyware doctor while in safe mode, This will catch it so you can remove it,
This is very good tool and I recommend it to keep your pc in good running condition,
Windows Advanced Care , This tool will keep your computer running good and you can see the startup programs to help you understand what runs in the startup programs; It also includes a registry cleaner and spyware removal,, It also imunizes your computer against the attcks we face each time we go on the internet Just run it once a day and your worrys are much less,
http://www.download.com/Advanced-WindowsCare-Personal/3000-2086-10407614.html
Here is a very good tool called Winpatrol and it monitors your computer for programs that try to run on your system without your knowlege, This tool also allows you to manage all the startup programs on your computer,, It also warns you if a program tries to run without your permission, I use this software and I recommend it,
http://www.freewarefiles.com/downloads_counter.php?programid=8625
Here is a free and very good antivirus tool called avg free,
Note; You should never use more than one antivirus on your computer at a time,
http://free.grisoft.com/doc/downloads-products/us/frt/0?prd=aff
Here is the PC Tools free antivirus and is a very good antivirus
Note; You should never run more than one antivirus on your computer at a time,,
http://www.pctools.com/free-antivirus/
The free edition of spyware doctor, The best for removing spyware and malware and its free,
http://www.download.com/Spyware-Doctor-Starter-Edition/3000-8022_4-10754824.html
Here is the adaware se free personal and is a very good spyware removal tool
http://www.download.com/3000-2144-10045910.html
Here is an antispyware software called avg free antispyware, It is a totally free software and it works very well,
http://free.grisoft.com/doc/downloads-products/us/frt/0?prd=asf
SG