sUBs

It's a common mistake.

Please enable the viewing of hidden files.

1. From Windows Explorer, go to Tools>Folder Options>View tab.
2. Enable the option for `Show hidden files and folder´
3. Disable the option for `Hide file extensions for known types´
4. Disable the option for `Hide protected operating system files´
5. Click Yes to confirm & then click OK

Look at the regdel.REG file you've downloaded.
Make sure it's named as regdel.REG & not regdel.reg.txt (double extensions)