How do I fix a very slow Windows 7 64 bit pc?

Hello, suddenly my win7 64 bit laptop with 4GB ram has become incredibly slow for no apparent reason. It started when the Norton Internet Security 2010 failed for no known reason, then Norton tried to re-install and now it is so slow, it is unbelievable!
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  1. Hi newcomer and welcome to the Tom's hardware forum.

    The problem could be the antivirus. Uninstall and install another one see what happen
  2. Hi psmfoo - Since the issue started with Norton, I agree that it is likely causing the slow down. Try uninstalling from your computer completely and see if you notice a speed up. If that doesn't do the trick, you can try to boost performance with the tips discribed, here: http://windows.microsoft.com/en-us/windows7/Optimize-Windows-7-for-better-performance

    Cheers,
    Cassandra
    Microsoft Windows Outreach
  3. Download the Symantec removeal tool and run it a couple of times to delete all traces of NIS.

    ftp://ftp.symantec.com/public/english_us_canada/removal_tools/Norton_Removal_Tool.exe

    Now reinstall NIS.
  4. sadly norton is power hungry and will slow down your computer....

    I recommend to get antivir instead : free and efficient

    Can you reactivate it?

    If not it might of been target of a virus

    download and install and update

    spybot serch and destroy
    super antispyware
    malawarebytes

    to see if they detect something (might want to scan in windows safe mode if real slow in normal mode)

    good luck
  5. Hello psmfoo,
    Possibly a virus or spyware slowing your PC?

    You can place spybot and free AVG on a USB drive, additionally, you can run a complete scan with NAV (Norton Anti-Virus) Boot Disk: This will check everything BEFORE booting to windows.

    You will need a reliable source computer to work from since your main computer seems to be comprimised.

    Article forAVG and instructions found here:

    http://www.computing.net/answers/security/avg-antivirus/17758.html

    Microsoft does have an official Windows 7 Support Forum located here http://tinyurl.com/9fhdl5 . It is supported by product specialists as well as engineers and support teams. You may want to check the threads available there for additional assitance and support.

    John M
    Microsoft Windows Client Team
  6. Perhaps your laptop is just cluttered and in need of this program it worked for me

    http://7bf22lyaldzgb-8erysdy3jgyn.hop.clickbank.net/
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