Nalpeiron-licensed applications running on a machine upgraded from Windows 7/8/8.1 to Windows 10 may require a re-installation of the Visual C 2010 runtime library. 4.2 downloads now include this in all Imatest installers, however if issues persist you can download appropriate versions of the runtime here:
x86:https://www.microsoft.com/
x64:https://www.microsoft.com/
If you continue to have issues, please contact us at support@imatest.com