Last month I began hearing rumblings of problems with the product activation system in Windows Vista. Last week I got to see the problem firsthand. The bottom line? The simple act of updating some ...

Windows Activation Error Code 0xC004B100 commonly occurs when you try to activate your Windows version maybe after replacing either your motherboard or CPU. If you ...

The Software Licensing Service reported that the license could not be found or was invalid. The error code usually means that the user entered the wrong license key ...

Update: Apple today posted a new version of the update, build 13E237, to fix the activation problem for all affected devices. It’s currently available to download over-the-air or via iTunes. Original ...