Reinstalled Elements 2021 will not run on upgraded macOS [was: Photoshop]

I had to uninstall it to get disk space to upgrade the Mac operating system. 

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Which Mac model are you running? MacBook Air with 256GB SSD perhaps?

Which macOS did you upgrade from and to? Are you now running macOS Monterey?

If you haven't already done so, update Monterey to 12.1 (released 13 Dec)

https://support.apple.com/en-us/HT212585

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@Bob224129379eo4 wrote:

I then tried to reinstall Elements with the purchase s/n, purchase code etc. It looked like it installed, but won't run.

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Hi Bob,

Since your question appears to be about Photoshop Elements, I have moved this from the Photoshop forum where you posted.

You mentioned uninstalling to get free space. How much free space do you have now?

I only work with Photoshop (where you posted), and know that PS will not run unless it has enough free space, which is called scratch space. I don't know if Elements is the same.

~ Jane

Welcome to this friendly forum.

A bit more info would help!

Which version of Photoshop and OS?

How much RAM and spare disk capacity do you have?

Have you tried resetting the Photoshop preferences?

If you have Photoshop Elements please post in the Photoshop Elements forum: https://community.adobe.com/t5/photoshop-elements/ct-p/ct-photoshop-elements?page=1&sort=latest_replies&filter=all&tabid=discussions