The Software Licensing Service determined that the specified Key Management Service (KMS) cannot be used. What causes Windows Activation Error 0xC004F015? There can ...

Microsoft on Friday updated its advice to Windows 10 Pro edition users frustrated by a recent activation glitch, suggesting that the problem will get automatically resolved in a day. Here's ...

Microsoft is working on a fix for a bug in its activation server that has caused Windows 10 Pro machines to report that their license has not been activated. The issue was causing panic for some ...

Before going through these solutions, the first thing you need to make sure of is that you have the correct product key. This problem is usually faced by those with ...

When Microsoft first launched the Windows operating system, installing it was only a matter of copying the program onto a disk. You didn't have to verify your copy of Windows. Starting with Windows XP ...

Ugh this kinda sucks but I guess it doesn't really matter. I had a bunch of Windows 7 keys from 2009 that have been great with 10 and 11. I get that this free ride is over but it still sucks. It ...

A bug in what appears to be the Microsoft Windows activation service is causing Windows 10 Pro licenses to be downgraded to Windows 10 Home and then stating that Windows is not activated. This bug ...

Didn't see any other threads, so here's the scoop: After thirty minutes of trying to figure out what could possibly have triggered the Windows DRM servers to decide that my key is actually for Windows ...