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Activity › Forums › Adobe Premiere Pro › Extension Manager CS 5.5 won’t install a .XZP file. Why?

  • Adobe Premiere Pro

    Extension Manager CS 5.5 won’t install a .XZP file. Why?

    Posted by Adam Berch on March 31, 2013 at 2:06 pm

    Hi,

    I have downloaded a set of Transitions from Filmimpact.net for Premiere Pro CS 5.5. It is a .XZP File

    I Double clicked on it and Adobe Extension Manager CS 5.5 opened up.

    I accepted the License agreement and it opend up.

    I went to install These transitions and I get the following Message

    “The Extension ‘Transition Pack 1’ does not contain valid signature. The extension will not be installed.”

    What does this mean and how can I fix it?

    I want to install these Transitions in Premiere Pro CS 5.5?

    Thanks in advance

    Kevin Monahan replied 13 years, 1 month ago 2 Members · 1 Reply
  • 1 Reply

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