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If your computer system is running slow and giving you random problems, it might be infected with a virus. You can find and remove the virus from your PC using following simple steps:
STEP 1 : Post Your HijackThis Log File Content
Download HijackThis from the link given below and scan your system with it. It'll generate a log file, copy the content of the log file and post here.
STEP 2 : Fix Suggested Entries in Safe Mode
Note down the suggested entries and boot your Windows in Safe Mode by pressing "F8" key at system startup and select "Safe Mode" option. If you can't boot into Safe Mode, check following topics:
How to Boot Windows in “Safe Mode” When “F8″ Key is not Working?
How to Repair and Enable Corrupted Safe Mode in Windows?
Once you boot into Safe Mode, run HijackThis again, select all suggested entries and click on "Fix checked" button.

It'll remove the suspicious items from your computer system.
Also don't forget to install and scan your computer system with a good anti-virus and anti-spyware for better protection. You can also use online scanners:
Ultimate Collection of Best Free Online Virus Scanners
STEP 3 : Fix Other Remaining Issues and Make Windows Faster
If you still face some problems like Task Manager, Registry Editor, etc disabled, check out following topic:
[PC Support] Frequently Asked Windows Problems with Solutions
You can also visit following tutorials to speedup your Windows:
Speed Up Windows XP – Master Tutorial to Make Windows XP Super Fast
Speed Up Windows Vista – Master Tutorial to Make Windows Vista Super Fast
Speed Up Windows 7 – Master Tutorial to Make Windows 7 Super Fast
This article was posted by VG in following section: Troubleshooting.
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