Several readers have alerted us to an issue with invalid serial key errors when trying to activate newly-purchased copies of Dead Space 2 on Steam. The issue is the subject of a growing thread in ...

With the PC locked up, and the valid Windows product key being labeled as invalid, the average user would likely call the tech support number on the lock screen. After Malwarebytes called the ...

It can fail in the activation attempt due to an invalid license key and connectivity issues. However, it can also occur if the licence key exceeds the activation limit.

Learn how to find out if your Windows product license key is Genuine or legit, especially if you bought it from Amazon or a third-party website or reseller.