Fix Windows 7 SP1 Error 0x800f0826 Failed to Install

Wednesday, February 23, 2011

Problem :

I received the error (0x800f0826) when attempting to install SP1 both via Windows update today. It downloads fine and installs but fails and reverts back during the reboot. This is Windows 7 Home Premium x32 .I've run the System Update Readiness Tool with no effect. There are no hidden updates in Control Panel, the only Failed update is SP1.


Solution :

Let's try the following:

1. ClickStart type cmd (you should see the command prompt populate at the top) Right-click it and selectRun as Administrator
Inside the prompt type sfc /scannow
*Info on the System File Checker

2. Click:Reset Windows Update Componentsand run the FixIt? in both default and aggressive modes.

3. Download / Install / Run the System Update Readiness Tool


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