A RunDLL error occurs when a DLL file that is needed to start with a program, run at startup, or set up as a scheduled task fails to start. Windows tries to load this ...
The module <NameOfSystemFile> failed to load. Make sure the binary is sorted at the specified path or debug it to check for problems with the binary or dependent .DLL ...
Seriously, once PowerToys is installed, all you have to do is right-click on the offending file and choose "Unlock with Locksmith." Then a window pops up telling you exactly what program is locking ...