Windows 7 update stuck on checking for updates
Microsoft released a Windows Update Client Update which is part of the July 2016 Update Rollup to fix the long hang at Windows Update scan.
This update contains some improvements to Windows Update Client in Windows 7 Service Pack 1 (SP1). This includes the following:
- An optimization that addresses long scan time for updates that's reported on some computers.
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Download:
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Stop Windows Update service. This speeds up the setup of MSU updates
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Run the downloaded update and see if it speeds up the installation of Updates.
check windows updates
Download (April 2015 servicing stack update):
check windows updates
Then Download KB-3138612 and save it where you can find it later
If you have other Windows updates issues and the 2 updates above are installed, download this Microsoft Windows Update fixit tool (right click "save link as") run it and select aggressive mode to completely reset Windows updates. Reboot and try Windows Updates from the Control Panel again.