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Solved: Windows 10 October 2020 Update version 20H2 failed to install

If you are stuck Installing Windows 10 October 2020 update,  Windows update stuck checking for updates or Feature update to Windows 10 version 20H2 failed to install Here this post helpful for you to fix

Windows 10 version 20H2 update is downloaded completely, And Windows restarts to install the update. But, after the system restart, the system stuck during the update installation or at Windows Logo and the only method to get the PC back, is to force shut down the machine using the power switch.

During Windows 10 October 2020 update installation process system suddenly restarts and starts to revert changes and goes to the previous Windows 10 version (v1809). And on next start windows again download the update but fails to install with error 0xc1900101

Windows 10 version 20H2 Failed to install

Mostly Windows 10 Update fails to install due to Corrupt Windows Update cache, missing system files, outdated or incompatible driver software, incompatibility of an application installed on your computer or third-party software conflicts etc. Here some applicable solutions you may apply whenever you face Windows update problems.

First Disconnect all external devices except keyboard & Mouse (e.g. external HDD, USB Wireless Mouse or Keyboard Receiver, USB Wireless Network Card, etc.).

Completely uninstall the antivirus program or any other security program from your system. Also if possible uninstall all unnecessary third-party applications, Which may be causing conflict during the windows update installation.

Make sure you have enough disk space to download the updates ( minimum 20 GB Free Disk Space ). Have a Good Stable Internet connection To Download the Update files from Microsoft Server.

Open Settings -> Time & Language -> Select Region & Language from options on left. Here Verify your Country/Region is correct from the drop-down list.

Run windows update Troubleshooter From Windows Settings -> Go to Update & Security > Troubleshoot. Then select windows update and Run The Troubleshooter, Which attempt to identify if any problems exist which prevent your computer from downloading and installing Windows Updates. After complete, the process Restart windows and again manually Check for Updates.

Windows update troubleshooter

Also perform a clean boot and check for updates, Which may fix the problem if any third party application, service causing the windows update stuck.

Reset windows update Components

Windows Update folder (C:\Windows\SoftwareDistribution), is the location where Windows stores the new updates after downloading them. If due to any reason any file gets corrupted on the software distribution folder you may face update download and install stuck at any point or windows update fail to install with a different error code.

Clearing the folder where all of the update files are stored will force Windows Update to download afresh And fix almost every window update problem. To do this first open windows services ( Press Windows + R, services.msc and Ok ) And stop windows update related services such as BITs, Superfetch, Windows update. You can do this by right click on the service and stop.

stop windows update service

Now Open Windows Explorer and navigate to C:\Windows folder. Here look for the folder named Software Distribution Right-click and rename it as Software Distribution.bak. Again navigate to C:\Windows\System32 look for the catroot2 folder and rename it as catroot2.bak.

Note: These are the important folders ( Software Distribution and catroot2 ) Where windows download and temporary store updates before install and apply them on the system. So renaming the folder means, When next time windows check for updates this will automatically create Software Distribution and catroot2 folder and download fresh update files.

After performing this action restart the services (BITs, Superfetch, Windows update) which you previously stopped. Now Restart windows and check for updates from settings -> update & security -> windows update and check for updates. I am sure this time you didn’t face any problem, error, update installation stuck at any certation percentage etc.

Run DISM and SFC utility

Again sometimes corrupted system files cause windows 10 updates to stuck downloading. Run the system file checker which scans and restores missing corrupted system files. If found any the utility will restore them from a special folder located on %WinDir%\System32\dllcache. Wait until 100% complete the scanning process, Then After Restart windows and check for updates. If SFC Utility Scan Results found corrupted files but unable to fix then Run DISM Tool Which enables SFC Utility to Do its job.

Also, Make Sure All Installed Device Drivers Are Updated and compatible with the current windows version. Especially Display Driver, Network Adapter, and Audio Sound Driver. You Can Check and update Them From Device manager. Run Third-party system optimizer like Ccleaner to remove junk, cache, system error, memory dump files etc and fix broken missing registry errors.

If all the above methods failed to fix the issue, and Windows 10 Update 20H2 failed to install, stuck downloading update, Then use an official media creation tool or Upgrade Assistant to upgrade to windows 10 October 2020 update Version 20H2 smoothly. Still, need any help or have a query, a suggestion about this post “Windows 10 October 2020 Update version 20H2 failed to install” feel free to discuss on comments below. Also, Read Windows timeline feature Crashes Explorer.exe on Windows 10 version 20H2.

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