Error 16 Photoshop Elements on MacBook Pro

[Janet22112499zyql]

When I attempted to use my Photoshop Elements this morning I received the error 16 message.  How do I uninstall and reinstall the programme (I don't remember how or when I purchased the product) and is there a way to correct?  I was trying to contact Adobe support but couldn't find a way to speak or text with a person directly.  Thank you for your assistance in this matter.

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[kglad]

Fix download, install, or update errors for your Adobe apps

what version of pse?  if it's not the current version, adobe support won't help with this.

to reinstall you'll need the installation file and your serial number.

[Nancy OShea]

Which OS?

Which version of PS Elements?