Follow the guidelines on this page to troubleshoot the Mac Application Store version of Photoshop Elements.
If you need more help, reach out to the Adobe chat support or post your query on Adobe Photoshop Elements User Forum to connect with other users and Adobe experts. If your query is still unanswered, mail us at Grp-ElementsSupport@adobe.com and we will get back to you.
If you're facing trouble while launching Photoshop Elements Editor, reset the application preferences using the following steps:
If you're unable to resolve the problem using the above solution, manually delete the Preferences folder by following the steps below.
Following error message is displayed on launching Photoshop Elements.
Invalid message sent to event "NSEvent: type=MouseMoved loc=(1594,770) time=3343.4 flags=0x100 win=0x7fd836c8f050 winNum=125 ctxt=0x0 evNum=0 click=1 buttonNumber=0 pressure=0 deltaX=0.000000 deltaY=0.000000 deviceID:0x0 subtype=0”