Windows Update Probleme bei Server 2008r2

Den Windows Update cache zu leeren hat bei mir auch schon geholfen:

Zitat von ccm.net

Manually Purge the Update Cache
The first step is to temporarily turn off the Windows Update service (to stop background downloads). Open the Command Prompt, type the
net stop wuauserv command and press Enter.

Open File Explorer and go to View > Folder Options. Select the Show hidden files, folder, and drives radio button and click on Apply to enable the display of hidden files on your computer.

Once done, navigate to C:\Windows\SoftwareDistribution\Download and then delete the content of the Download folder.

Open a new Command prompt window and run the
net start wuauserv command to restart theWindows Update service.

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Grüsse
TheBlueFireKing