Therefore, we will follow your instructions and proceed as follows: The error code 0x8050800c in its bug report advised us to install the latest available updates and then try to start the program. Nor should we forget that the failure may be in the Windows registry or a file in the operating system has been corrupted. However, this would not be the only cause, it could also be due to security updates that are corrupted or out of date. This happens because after the uninstallation there are some traces of antivirus software that prevent the execution of Windows Defender. The error message tells us that an unexpected problem has occurred, that we install the available updates and then try to start the program again.Īs for the causes for which we find the error 0x8050800c, sometimes it has to do with third-party antivirus on your Windows computer.