What is WU-0x80070bc2?
A system restart is required to complete the installation of the update. The update installation enters a loop where it continually requests a reboot without completing.
Common Causes
- Pending file rename operations in the registry are locked or stuck.
- Windows Update services failing to update the installation status flag after a reboot.
- Conflict with third-party security software locking system boot configuration files.
Step-by-Step Fix Guide
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1
Force a reset of the Windows Update service configuration registry keys.
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2
Clear the pending XML update transactions using Command Prompt commands.
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3
Temporarily disable third-party antivirus software during the reboot sequence.
Commands & Diagnostics
net stop wuauservreg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired"Still Need Help?
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