The extension "Guide" does not contain a valid signature. The extension will not be installed.

Hi guys, looking for some help because I can't install an extension for Photoshop. Managed to install it on a machine in the office and it works very well.

Data sheet:

iMac OSX 10.8.4

Photoshop CC

The CC extensions Manager

Please let me know if you need anything that anyone else.

I've GuideGuide 2.1.3 successfully installed in the same environment as your. I guess you used the same version of guide. Have you updated to the latest version of the CC extensions Manager? Could you try to uncheck the option 'Allow the extensions Manager to access the Internet' in the Preferences dialog box, and then install it again?

Tags: Creative Suites

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