Outage
Microsoft confirms Windows activation failures after November updates
BleepingComputer · By Sergiu Gatlan ·
The Brief
- Microsoft has confirmed that this month's Patch Tuesday security updates cause Windows activation and licensing failures.
- The failures produce 0x80041008 error codes.
Why it matters
Machines that install the November updates may fail to activate Windows, which can affect licensing and the systems that depend on it.
Who’s affected
- Windows users and administrators who installed the November 2026 Patch Tuesday updates
Microsoft has confirmed that this month's Patch Tuesday security updates are causing Windows activation and licensing failures with 0x80041008 error codes. [...]
Timeline
Microsoft confirms that November Patch Tuesday updates cause Windows activation failures
BleepingComputer
Microsoft confirms Windows activation failures after November updates