A lot of people receiving “0XC004F200 error problem” which is Windows Genuine Advantage Notifications which normally happen due to the use of pirated or cracked Windows 7.
Note: We do suggest you to purchase a Genuine version of Windows to avoid any such problem and Help preventing software piracy….which is intern a very offensive crime…please visit the below mention link of Microsoft store to get Genuine Windows 7 on discount price.!!!
Run the following code in dos prompt (cmd) as administrator
icacls C:Windowssystem32WatWatAdminSvc.exe /grant *S-1-1-0:F
Install the OEM key
slmgr /ipk 342DG-6YJR8-X92GV-V7DCV-P4K27
Purchase Genuine version of Windows 7 from here