.NEt Framework 3.5 problem with x5 Pro 12 
Author: Paul D.
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While trying to install x5 Professional 12, it tells me I need .NET Framework 3.5
I have followed all instructions and still can't get it to work. Please help ASAP. I have lost at least a full mornings work trying to upgrade! Not a happy camper!
Thanks
Posted on the
Hello Paul,
Can you please tell me which windows you are using?
Which instructions did you follow?
you get always the same error?
Try to use this repair tool:
https://www.microsoft.com/en-us/download/details.aspx?id=30135
Many thanks!
try to install from microsoft site latest .net framework
restart
install again x5
after that should eork fine