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Cumulative Update for Windows 10 Version 1803 stuck at 0 percent

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Microsoft Recently released Cumulative Update KB4103721 for Windows 10 Version 1803 to fix a number of bugs such as such as addresses a few issues related to App-V, VPN, time zone, Remote Desktop, devices to stop responding or working while using chrome and patches some security vulnerabilities And more you can read KB4103721 changelog here. And every windows 10 user running windows 10 version 1803 will receive the update via windows update or manually install from settings -> update & security -> windows update -> check for updates. But Now some of users reporting Windows Update stuck at 0 percent While download or installing Cumulative Update KB4103721 for Windows 10 Version 1803.




There is a various reason that can be causing this issue may any security software, firewall, proxy configuration blocking the update or any third party software causing conflicts, Also corrupted system files or buggy update database cause windows update to stuck at any percentage for downloading or installing. Here solutions you may apply to fix and install windows update successfully.

Fix Windows Update stuck Download and install

First of all disable or uninstall antivirus software ( if installed any ) Then type firewall on start menu search and hit enter key to open windows firewall. Here on left side click Turn windows firewall on or off And select radio button Turon off windows firewall for private and public network settings.

Next Start windows into clean boot state And check for windows updates to check and make sure any third party software conflict not causing the issue.

Also, Open Command prompt as administrator Run DISM command ” DISM /Online /Cleanup-Image /RestoreHealth ” To repair the system image and Run sfc /scannow ( System file checker utility ) to check and restore if any missing, corrupted system files causing windows update to stuck downloading or installing.

Run System file Checker Tool
Run System file Checker Tool

Reset Windows Update components ( Delete files in Software Distribution )

This is the best solution to fix most of the windows update related problems. By restart the windows update and its related services ( BITS ). Clear the buggy update cache folder where windows update download update files. It shouldn’t cause any damage to your PC – you’ll only really be deleting temporary Windows Update files – but we’d recommend setting up a System Restore point before going any further.

Type cmd on Start menu search, right click on command prompt and select run as administrator. Run below commands to stop Windows Update Service and Background Intelligent Transfer Service.

net stop wuauserv

net stop bits




Then navigate to file explorer and  C:\Windows\SoftwareDistribution. Here open Download folder and delete all data inside the folder. Do the same with DataStore folder.

Note for better result we recommend completely delete SoftwareDistribution folder or rename as SoftwareDistribution.bak. When next time you check for updates windows automatically create SoftwareDistribution folder to download and store fresh update files.

rename SoftwareDistribution folder
rename SoftwareDistribution folder

Now Again open command prompt and run command “net start wuauserv” and  “net start bits” To restart the Windows Update Service and Background Intelligent Transfer Service which you previously stopped.

Reset Windows Update components
Reset Windows Update components

Run Windows Update Troubleshooter

After Reset Windows Update components and Delete files in Software Distribution Run the windows update Troubleshooter from settings ( windows + I ) -> update & security -> Troubleshoot -> windows update and run the windows update troubleshooter.

Run windows update troubleshooter
Run windows update troubleshooter

The troubleshooter will attempt to identify if any problems exist which prevent your computer from downloading and installing Windows Updates. If found any the update troubleshooter try to fix the problem itself. After complete the troubleshooting process simply restart windows and now check for updates from settings -> update & security -> windows update -> check for updates.

I am sure this time your system successfully install the latest windows updates without any error or download, installation stuck. Still, need any help or face difficulty while performing above solutions feel free to discuss on comments below. also, Read Windows 10 April 2018 update V1803 Troubleshooting Guide !!!

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