2 updates that slow computer: kb2658846 kb2621440

Some time ago I installed kb2621440 on my desktop vista 32 and was during the launch of the browser, firefox or ie, it usually 30 seconds to start where, previously, it was about 1 s. I've isolated that and remains hidden.

The other day (may 2012) there are a bunch of update released which included kb2658846. This seems to do the same. After that restore my pc to an earlier time and the installation of updates at a time, I managed to find the culprit.

Are these related somehow, and why they want to slow down my pc to a crawl?

Hello

Please follow the steps listed below.

STEP 1: Put the computer to boot.

http://support.Microsoft.com/kb/929135

NOTE: after you perform the troubleshooting steps, return to the computer to start as usual (see step 7 link mentioned above)

STEP 2: Manually, try to install updates from Microsoft Download Center.

a. visit the Microsoft Download Web site, type the number of "KB" of the update in the search box and press ENTER.

b. in the list of search results, click on the (KB) Knowledge Base article link to go to the download page. If there is more than one list, look for a link that goes to the Microsoft Download Center.

c. If there are several versions on the download page, find the appropriate for your computer. Click on the download button and save the update to your desktop.

d. When you are prompted, click open to install the update.

Microsoft Download Center

http://www.Microsoft.com/en-us/download/default.aspx

Tags: Windows

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