Have you tried reinstalling the applications?
You could try update your video card driver from the manufacturer’s site.
Sorry that you cannot launch Photoshop Elements and Premiere Elements on your computer running the Windows 10 as you keep showing a blank screen.
Would you mind checking the troubleshooting steps mentioned in this article https://helpx.adobe.com/elements-organizer/kb/Elements-applications-do-not-launch-on-Windows-10.html... let us know if that helps?
You may also checkout the steps in our Troubleshoot-system-errors-freezes-Photoshop Elements article.
It seems you are facing issue with white screen while launch Adobe Elements 2021.
Please follow the steps below :
Please do let us know the results .
Hope this helps