Thanks for your help.

I reinstall Autohotkey. Certainly, must run the script as Admin for it to work, there is no need to use SetRegView.

Thanks, again, gregster and the others for your help.

I tried this: SetRegView 32 ;SetRegView 64 RegDelete, HKEY_CLASSES_ROOT\MbHwgGGS1 msgbox % ErrorLevel msgbox % A_LastError I still see the ErrorLevel is 1, A_LastError is 5 (ERROR_ACCESS_DENIED, according to this https://docs.microsoft.com/en-us/windows/win32/debug/system-error-codes--0-499- ) What ...

Yes, I did. But it did not work.

It seems the script can delete the keys under HKEY_CURRENT_USER branch only.

Any ideas? Thanks.

I am on Windows 10 64 bit. I can't delete this registry key though i can manually delete it using Regedit.exe. This is the code:
Please help. Thanks.

I am on Windows 10 64 bit. I can't delete this registry key though i can manually delete it using Regedit.exe Please help. Thanks.

It works.
Thanks for your help.

I use WinHttpRequest to download a page to get video source but the downloaded page with empty src tag. How could I get the video source in this case, please help. Thanks.