another possible cause is the windows update cache becoming corrupted, try stopping the service and deleting the cache folder, then restart the service and try updating again.
i've seen similar issues with windows update hanging at 0 percent, often it's related to corrupted system files or pending updates, so running the system file checker and checking for pending updates can help resolve the issue.
check the event viewer logs for any errors related to windows update service, also try running the troubleshooter for windows update to identify and fix issues.
checking the windows update service status and running the system file checker can help resolve the hanging issue, also ensure your software is up to date with recent 2026 patches
recently, disabling fast startup and checking for outdated drivers may also resolve the windows update hang issue at 0 percent, as outdated drivers can cause conflicts with the update process.
i've found that sometimes, disabling fast startup and checking for outdated drivers can resolve the windows update hang issue at 0 percent, as outdated drivers may cause conflicts with the update process.