Since this file belongs to specific utility suites (often Qualcomm diagnostic tools or specialized mobile service software), the cleanest fix is to reinstall the parent program. Press Windows Key + R , type appwiz.cpl , and hit . Locate your mobile diagnostic or Qualcomm utility software. Click Uninstall . Restart your computer.
Click and add the entire application folder to your antivirus Exclusion List to prevent future background deletions. 4. Run System File Checker (SFC)
If this error occurs while trying to use phone flashing tools, mobile diagnostics, or network software, the host application is broken. dll 39-qmsl-msvc10r.dll 39-
Download the directly from Microsoft Support.
vcruntime140.dll Missing Error | How to Fix | 2 Fixes | 2021 Since this file belongs to specific utility suites
The only safe source is the original software vendor (Keysight, NI, Rohde & Schwarz, etc.) or your original installation media.
Run these commands in an elevated Command Prompt: Click Uninstall
Open the Control Panel and navigate to .
Download and run a full scan using 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.