Sorry to hear about the trouble, we'll try our best to help you with it. Could you please try the steps shared below:
If this doesn't help, please share a few more details like:
window 10 pro 1903
Adobe XD 2020
Cloud or Local documents both are issue like in screenshoot they stop at end in processing
no any file are opened are the same issue
Sorry for the delay in response, Ali. Could you please check if the version of XD is 22.214.171.124? If yes then please uninstall the application using the Adobe Cleaner tool: https://helpx.adobe.com/creative-cloud/kb/cc-cleaner-tool-installation-problems.html
Once uninstalled and re-install the application and let us know if it works or not.