Forum Discussion
aibox_pctop
Mar 18, 2026Copper Contributor
Windows 11 PRO OEM Licenses not activating
Hello, I have issues with activating new Windows 11 Pro OEM FQC-10537 licenses on new equipment. The problems appeared yesterday and are still persisting. The errors are random from cannot reach ...
DeBertrand
Mar 19, 2026Iron Contributor
Activation issues with Windows 11 Pro OEM licenses can be frustrating, especially when they occur suddenly and with various error codes like 0xC004E028 and 0x8004FE94. These errors typically indicate problems reaching Microsoft's activation servers or issues with the license itself.