How I know my PC is infected?

These are symptoms of viruses, spywares and trogans.

-	If you experience that your system is too slow from couple of days.
-	Press Ctrl+ALT+Delete and Task Manager is not opening.
-	pop-ups telling them that there's a problem with their computer and this in fact is further spyware.
-	Unnecessary Toolbars are added in your browser.
-	Start -> Run, Type MSCONFIG and Click OK, nothing is open. most of the viruses stop this utility to hide the start-up processes.
-	Start -> Run, Type Regedit (Registry Editor) is not opening or disabled.

How to Safeguard your PC from Viruses?

Follow these steps:

Make sure you have Antivirus and Antispyware install and it's definitions are fully updated.

The best commercial Antivirus softwares available are:
- Symantec Norton Antivirus 2007
- MCafee
- Kasperasky

If you are looking for Free Antivirus software then you can go for

- AVG Personal Edition (doing a good job against script viruses)

How to Safeguard your PC from Spywares?

Ad-Aware Personal provides advanced protection from known data-mining, aggressive advertising, Trojans, dialers, malware, browser hijackers, and tracking components. This software is downloadable free of charge.

Your can download this software from http://www.lavasoft.com
and Run the scan to check your PC against spywares.

How to remove the Virus, Spyware, Trogans?

To get every last parasite, scan your system using Merijn Bellekom's HijackThis utility. HijackThis isn't for novices--it produces a log of browser add-ons and related Registry settings you must then sort through to choose which ones to disable (see FIGURE 3)

Download this free utility (HijackThis.zip - size 208K)

Unzip the Utility and double click on Hijackthis.exe file. it scans all the hidden streams and save as a log file.
- if you have another system, you can check the HKCU\..\RUN enteries in Google.
- Check the unknown enteries
- Click on "Fix Checked" button.
OR
1. Start -> Run, MSConfig and Remove any unnecessary startup enteries.
2. Run Full System Scan.
3. If you are unsuccessful in step 2 then Run your system in safe mode, while starting your system Press F8 and choose safemode and run system scan here.