

Right-click on it and select Open with option.


Now, navigate to C:\Windows\System32\drivers\etc.At first, you need to close all the process of IDM.The first method involves editing hosts file in order to block IDM updates. However, you can choose any method depending on your convenience. I will be sharing three methods to Fix IDM has been registered with a fake serial number in Windows.

How To Fix IDM has been registered with a fake serial number in Windows:
