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Clean Up Center

Lots of things get saved on your PC that you don’t need. Some are benign. Some slow you down. And some let prying eyes track what you do on your PC.

Launch clean up scan

Got junk cluttering up your PC?
Use our free clean up scan to find and get rid of unwanted stuff on your computer that might be slowing it down. Learn more.

Already scanned? Check out the resources below for more ways to clean up your PC and Internet tracks.

 

Featured downloads

Windows XP Service Pack 2
Service Pack 2 (SP2) with Advanced Security Technologies will help you protect your PC against viruses, hackers, and worms.

Windows Defender
Help protect your PC from spyware and other potentially unwanted software with our new antispyware software.

Phishing Filter Add-in for MSN Search Toolbar (Beta)
This add-in for the MSN Search Toolbar (also free) offers access to a new online service that helps protect your personal information by warning you when you visit a phony website designed to steal valuable personal information.

Windows Live OneCare Family Safety (Beta)
Help keep your kids safer on the Internet, with rules you personalize, and get tools to help monitor what they're doing online.

Top threats

  1. Trojan:JS/Agent.FA
  2. Virus:Win32/Sality.AM
  3. Worm:Win32/Conficker.B

Heard about a threat?
Note: Some threat information is available only in English.

 

Microsoft Security Essentials

Get high-quality, hassle-free antivirus protection for your home PC now.

Microsoft Security Essentials provides real-time protection for your home PC that helps guard against viruses, spyware, and other malicious software. Download Microsoft Security Essentials.