Saturday, February 11, 2017

Windows 10 Update Stuck

A bug I have encountered, thankfully not too often, is that Windows 10 update gets stuck at a certain percentage. Both times it happened to me it was just stuck at 0% and it would stay like that for hours.
This guide will help you fix the “Windows 10 Update Stuck” bug.


For some reason, at least in my case, the files in the update process are corrupted. It could be a loss of packets when downloading or a bad write, I’m really not sure. The fix for this is to basically restart the update process completely, removing the files that were partially downloaded and might be causing the corrupted error.

Caution: This fix involves some command prompts with admin permissions and renaming some folders within the Windows installation folders and System32. You do this at your own risk, the explanation was to help you understand exactly what’s going on, so if you’re unsure or if you don’t feel comfortable doing it, don’t.

Step One:

Restart your computer and as soon as Windows is loaded, right click on the start menu button and click on “Command Prompt (Admin)”.

Step Two:

Then we need to stop all the services for Windows Update. In the Command Prompt window, type each commend and press Enter after:

net stop wuauserv
net stop bits
net stop cryptsvc

Do not close the Command Prompt window, leave it open.

Step Three:

We’ll need to rename the folders containing the update files that might be corrupted or causing the update to be stuck. In the same Command Prompt window, type the following commands:

ren %systemroot%\System32\Catroot2 Catroot2.old
ren %windir%\SoftwareDistribution SoftwareDistribution.old

If it fails to rename the folder that means one of the services is running, repeat from Step One again and make sure that you don’t run anything after you reboot your PC.

Step Four:

Now we’ll need to start the services again, in the same Command Prompt window, type the following commands:

net start wuauserv
net start bits
net start cryptsvc

Now go ahead and check for new updates. It should, hopefully, fix the process and the update should finish without any problems.

This is definitely not the only method to fix this issue, but it is the one that worked for me and the one I tested. Use caution, always, research everything. This method doesn’t delete any files so you should be safe. It basically renames the folders by adding a “.old” suffix to it.


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