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Tech Helproom

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Windows Vista won't update Service Pack (SP1) 1 to Service Pack 2 (SP2)


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Just wondered if anyone else has had the same issue when they tried to update Windows Vista SP1 to SP2. The reason I was trying to update is to update to Internet Explorer 9 for 6 as its my wifes laptop that she very rarely uses. I thought it would be quite easy to do but tried several times and still no joy.

The message that comes up is ERRORNOTFOUND(0x80070490)which I'm aware means Windows cannot search for updates.

I have checked for updates and the following is trying to update but also fails : Windows Search 4.0 for Windows Vista (KB940157)

The laptop is an Acer Aspire 5710 running Vista SP1 32 bit

Finally I have no repair disc as this is already installed so I tried a reboot, F8 and repair and that also failed....

Any suggestion what to try next??

Many thanks

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I also tried to use the Microsoft Fix It tool but it fails to intall Powershell...

Also just had another failed SP 2 attempt!!

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First check to see if Windows Update is running in SERVICES - Go to Control Panel - Administrative Tools - Services - scroll down to find Windows Update - right click on it and select Properties - check StartUp Type Box - set this to Automatic - then Start the service - Apply- OK.

To hide an update you right click on it and select Hide Update.

You can't install Service Pack 1 again as it is already installed.

Have a read through this (if you haven't already) enter link description here

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