I have just received some new software on cd's and each time I try to install it (3 different programs on 3 different discs) on either XP or windows 7, I get "The handle is invalid" error message.
The only common factor I can think of is that we use Symantec Endpoint Protection.
I have disabled it, however I still receive the error message.
I have tried this now on 3 computers, with 2 different admin accounts
Am I missing something here?