After "critical update" 12/23/11, my computer is very slow and crashes, also will restore the system.

After the "critical" update that is installed on my computer 12/23/11 my computer started running very slowly, he drove my Norton anti virus, blocking, I am unable to restore the system. any ideas?

Hello

1 update you installed recently? (Please mention the number of KB)

2. which version of the Windows operating system is installed on your computer?

3. what exactly happens when you try to perform the system restore?

I would suggest trying the following methods and check if it helps.

Method 1:

Run the fixit from Microsoft Fixit article and if that helps.

Fix Windows system on slow Windows performance issues:

http://support.Microsoft.com/mats/slow_windows_performance/

Method 2:

Start in safe mode and check if the same problem persists. If the problem not persists in safe mode, then turn on the computer in a clean boot state and check if that helps.

Step 1:

How to start in SafeMode in Windows 7: http://windows.microsoft.com/en-US/windows7/Start-your-computer-in-safe-mode

Step 2:

Put the computer in a clean boot state, and check if that helps.

How to solve the problem by running the clean boot in Windows Vista and Windows 7:
http://support.Microsoft.com/kb/929135

Note: Once you have completed troubleshooting, perform the steps in the step 7: to reset the computer as usual.

Method 3:

Check the installation update and try to remove the updates that you installed recently and then try to remove it and check if it helps.

Remove an update:

http://Windows.Microsoft.com/en-us/Windows7/remove-an-update

And also ensure that there are no pending restart, if there are any pending restart, then restart the computer and check if that helps.

Hope the information is useful.

Tags: Windows

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