Invalid Serial Number PS CS4

New Here ,
Jan 04, 2022 Jan 04, 2022

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I had a problem with my PS cs4 not opening files.  So I uninstalled it and have tried to reinstall it but it would not.  It claims my serial number is invalid.

When I contacted customer service they assured me serial number is valid.  So what do I do.

By the way serial number is registered in my account with adobe.

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Community Expert ,
Jan 04, 2022 Jan 04, 2022

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Moving thread to the Download & Install forum from Photoshop ecosystem

 

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Community Expert ,
Jan 04, 2022 Jan 04, 2022

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What is the exact error message?

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New Here ,
Jan 05, 2022 Jan 05, 2022

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The seial number you enterd is not valid.  Click OK to retry entering the serial number.

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Community Expert ,
Jan 04, 2022 Jan 04, 2022

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Did your run the Adobe Cleaner Tool to wipe old Adobe products from your system before you re-installed?

https://helpx.adobe.com/creative-cloud/kb/cc-cleaner-tool-installation-problems.html

 

 

Nancy O'Shea, Product User & Community Expert
Alt-Web Design & Publishing ~ Web : Print : Graphics : Media

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Community Expert ,
Jan 04, 2022 Jan 04, 2022

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NOTE - The CS2-CS3-CS4 activation servers have been removed from service
-https://helpx.adobe.com/creative-suite.html?promoid=19SCDRQK
-So even if you have a disc or saved download, CS2-CS3-CS4 are completely dead
-Adobe also no longer supplies the special non-activation version of CS2-CS3-CS4
-EXCEPT https://community.adobe.com/t5/the-lounge-discussions/wishful-thinking/m-p/12629144
--See John Waller reply dated 1-1-22 There's a kink in the space-time continuum with CS4 activation.
Although the CS4 activation servers are officially dead, CS4 can still be activated for use on a fresh install on a computer where CS4 has never previously been installed. I successfully activated CS4 myself a couple of months ago just as a proof of concept

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New Here ,
Jan 05, 2022 Jan 05, 2022

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Thank you John.  How do I completely remove cs4 from my lap top?

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Community Expert ,
Jan 05, 2022 Jan 05, 2022

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