You may need to register a DLL file if you see aDLL erroron your setup.
It’s when this association with the registry is broken that a DLL file should be registered.
Registering a DLL file is typically accomplished byreinstalling the programthat registered it in the first place.

Sometimes, however, you may have to register the DLL file yourself manually via theCommand Prompt.
You might need to first close down the service or program that’s using the file.
Check theSecuritysection of theGeneraltab in the file’sPropertieswindow.

Another possible issue could be that you don’t have the correct permissions to use the file.
A similar glitch notice is worded like the one below.
Also, double-check that the path to the DLL file is spelled right.
Thesyntaxof the command is very important; an error may be thrown if it’s not entered correctly.