Hello,
Can you or edit the following line from C:\AdwCleaner\settings.ini :
DebugMode
and set it as:
DebugMode=1
Then, relaunch AdwCleaner, the error should appear. Also, a new file will be created as C:\AdwCleaner\AdwCleaner_Debug.log.
Please host it on https://up2sha.re/ and share the generated link.
Best regards,