problem installing Creative suite cs5 on mac, dmg opens not (corrupted file)

I got a license for creative suite cs5, just bought a mac os x 10.11 book 'el capitan', downloaded more on adobe.com and when I try to open the installation program can't open it and it gives the following message "'Install' is damaged and you must move it to the trash.

Thanks for any help.

This error message is a bit misleading. What happened is that CS5 that was issued before the "custodian" is not "signed" and installation is blocked because it is considered to be "unreliable".

Solution: Temporarily set to "Everywhere" and then open the dmg file.

Tags: Adobe

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