Contact the software/hardware vendor directly.
Search the full error message or the software name without the DLL name. The DLL is just a symptom – the root cause is a missing or broken QMS software installation.
If the vendor no longer exists (common for legacy industrial software), your only reliable option is: dll 39-qmsl-msvc10r.dll 39-
Download and run a full scan using Windows Defender Offline or a reputable second-opinion scanner like Malwarebytes. If qmsl-msvc10r.dll is found outside of legitimate software folders (e.g., Temp or AppData), it may be malicious. Contact the software/hardware vendor directly
Deleting it will likely break the associated software. Instead, reinstall the software that requires it. Download and run a full scan using Windows