Invalid digital signature on vista?

By xxdanielxx
Jun 7, 2008
  1. hey when ever i try to install anything from the net like quick time or any software i get invalid digital signature. I tried to turn off UAC for vista but same problem
  2. nickc

    nickc TechSpot Paladin Posts: 923   +11

    do u get the option to let it run any way? I have had that happen on XP and tell it to go ahead and run it and have not had a problem if I knew where the program or install came from.
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