How to Fix Problem - after installing the april 12 updates i cannot connect to internet?

after installing the april 12 updates i cannot connect to internet

windows installled the april 12 update (16 fixes) then i shut down my pc.
after rebooring i was not able to connect to the internet anymore (the Lan did connect) 

Then i removed all the fixes and everything was OK again.
But after another day windows installed the updates again and after reboot my internet coneection was gone again.

Any idea which of the fixes would cause this??

Solutions to the Problem after installing the april 12 updates i cannot connect to internet

Download Error Fixer (Free)

Hi,
·          Which updates were installed prior to this issue?
·          Is it a wired or a wireless connection?
 
Try the steps from
“Why can't I connect to the Internet?”:
http://windows.microsoft.com/en-US/windows-vista/Troubleshoot-Internet-connection-problems
 See:” How to troubleshoot network connectivity problems in Internet Explorer"”:
http://support.microsoft.com/kb/936211/en-us
“You receive an error message in Internet Explorer: "Internet Explorer cannot display the webpage" “:
http://support.microsoft.com/kb/956196/en-us

Run CHKDSK

• Go to the Start button.
• In the Search box, type "cmd" (without quotes) and press Enter.
• At the command prompt, type "chkdsk /r /f" (without quotes) and press Enter.
• Reboot your computer.

An error might pop up:

"Access denied as you do not have significant privileges. You have to invoke this utility in elevated mode."

If you receive the above error message, it means you are not logged into you computer as an Administrator. If that's the case, follow these steps to run the command prompt in elevated mode:

• Go to theStart button.
• Go to "All Programs > Accessories" and right click on "Command Prompt".
• Select "Run as Administrator".
• In the Search box, type "cmd" (without quotes) and press Enter.
• At the command prompt, type "chkdsk /r /f" (without quotes) and press Enter.
• Reboot your computer.

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