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1. Re: Help! Photoshop CS5 & CS5.1 installation write to the same register key
Noel Carboni Nov 2, 2011 9:31 AM (in response to Royt2011)That's interesting. As I recall I reported this to the developers during the beta test, and I thought they were going to fix it before release. And I thought the registry key used for identifying CS5.1 was supposed to be 55.0, not 12.1. Perhaps they had some insoluble problem with trying to separate CS5 and CS5.1 right at the end...
Have you considered looking in these HKEY_CURRENT_USER keys instead to differentiate CS5 from CS5.1?
HKEY_CURRENT_USER\Software\Adobe\Photoshop\12.0
HKEY_CURRENT_USER\Software\Adobe\Photoshop\55.0
-Noel
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2. Re: Help! Photoshop CS5 & CS5.1 installation write to the same register key
Royt2011 Nov 2, 2011 7:55 PM (in response to Noel Carboni)Thanks very much. I could find "HKEY_CURRENT_USER\Software\Adobe\Photoshop\55.0", it is a sign that CS5.1 is installed on the machine. However, this key can't tell my script where is the Application path or Plugin path. And I'm afraid that after uninstalling CS5.1, the information for detecting CS5 will be lost in registry.

