Desktop APP- Import Error

Desktop APP- Import error

Documents with errors: 6 (401 Unauthorized Invalid user credentials).

This is happening only on one machine and only for Desktop APP IMPORT functionality.
All other functionality working as desired.
All other machine with the same user credentials working perfectly.
The user credential is Admin.

Workarounds done:
Uninstall and reinstall desktop app- Same error.
Uninstall, Clean registry and reinstall desktop app- Same error.

Support to resolve this issue will be really appreciating.

Dear Jamshad Mohamed Biyyathil! It looks like the Community cannot answer your question. That's why we have opened a Support Request with the Number SR-195480-K8T3C for you. A Software Support Specialist will contact you directly to follow up. We will update this thread with the solution as soon as we have resolved the Support Request. With best regards, DocuWare Support Team