qm stop OFTEN fails due to lock file. What's the correct solution?

[MrPete]

More often than not, qm stop fails because the lock file can't be locked.
The very common workaround DOES work: delete the lock file, then run qm stop.

But if that's all it takes, why bother messing with lock files at all?

What's the correct way to fix this, so qm stop actually works without manually deleting lock files?

 

[louie1961]

I think some OS'es like Windows, it is better to shut down in windows.