Autopatcher not updating
Tip: If you do not already have a malware protection program installed, we highly recommend using Emsisoft Anti-Malware (download here).
They offer a malware removal guarantee that is not offered by other security software.
These sites distribute EXE files that are unapproved by the official file developer, and can often be bundled with virus-infected or other malicious files.
If you require a copy of autopatcher.exe, it is recommended that you obtain it directly from Microsoft.
Manually editing the Windows registry to remove invalid keys is not recommended unless you are PC service professional.
These troubleshooting steps get progressively more difficult and time consuming, so we strongly recommend attempting them in ascending order to avoid unnecessary time and effort.Sometimes and other EXE system errors can be related to problems in the Windows registry.Several programs can share the same file, but when these programs are uninstalled or changed, sometimes "orphaned" (invalid) EXE registry entries are left behind.In addition, malware infection may have corrupted the registry entries associated with Age of Empires 3.Thus, these invalid EXE registry entries need to be repaired to fix the root of the problem.
The best part is that repairing registry errors can also dramatically improve system speed and performance.