I contacted support and the fix was to run VCREDIST_X64.exe from the BI install directory. In my case, that was C:\Program Files\Blue Iris 5\VCREDIST_X64.exe.

This corrected the problem for me.

I have BI 5.x set to do auto-updates, and this morning I had an error dialog on my screen with the following text: "BlueIris.exe - System Error The code execution cannot proceed because VCRUNTIME140_1.dll was not found. Reinstalling the program may fix this problem". I'm assuming BI instal...