Thanks Craig, Tried the sfc /scannow and it did find some corrupt files and it repaired them but still made no difference. I didn't expect it too as I have tried Campaign on 3 or 4 windows 10 machines with the same issue. I could not try the Hard Cache Clear as this is done from the Console and I do...

We are successfully Using Adobe Campaign V8.5.2 without any issues. However I have just locally installed V8.6.4 and it fails to launch. I have tested both V8.5.2 and V8.6.4 on this Computer. V8.5.2 launches without an error. When I try and launch V8.6.4 nothing happens ie it does not launch.  I hav...