Sorry to hear about the trouble. Could you please try the steps shared here: https://helpx.adobe.com/sk/xd/kb/fix-issues-with-xd-cloud-documents.ug.html#unable-to-create-open-cl...
If that doesn't work, please try uninstalling XD using the Adobe Cleaner Tool: https://helpx.adobe.com/creative-cloud/kb/cc-cleaner-tool-installation-problems.html
Once uninstalled, please re-install XD and let us know if that helps or if you need any further asisstance.
Thank you Rishabh
I tried the steps in the first link , didnt work .
later this week i will try the second one and let you know
Sure, let us know how it goes.
If you still face issue after trying the steps suggested by Rishabh, please share the information asked here: https://community.adobe.com/t5/adobe-xd/home-tab-broken-can-t-create-new-document/m-p/11782199#M4421... with me over a PM as our product team is tracking these cases for investigation purpose.