Cannot delete registry key after uninstalling antivirus


HKEY_LOCAL_MACHINE\SYSTEM\DriverDatabase\DriverPackages\avchv.inf_amd64_56ceccabc04490e4


what is this?I uninstalled from total uninstall,but one registry has left!And cannot deleting,when deleting this key error missing popups!I tried to remove through a safe mode but same!Tell me this registry key from Bitdefender?If delete that key full through a special utility that nothing bad will happen?


bandicam 2016-09-26 12-27-45-312.jpg