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Last updated: Mar 03, 2020 23:05


Perfecto Mobile Add-in encounters "System.IO.FileLoadException: Could not load file or assembly" error after upgrading UFT to either v14.01 up through v14.52:

As detailed at Legacy | IDE Plugin Installation, UFT 14.0 is tested and fully supported.


To avoid the error indicated, uninstall the Mobile Add-in and then reinstalling it from the command line from your Windows machine as follows:

   perfectomobile-qtp-installer.exe /F /V 14

Note: The installer should be executed from the location where you downloaded the Add-in to.