A Microsoft file hosting and synchronization service.
Hello,
This issue can be caused by a recent Windows update.
Let's make sure this is addressed first.
Can you go check your Windows Settings > Windows update, and see if you might have KB5085516 available to install?
KB5085516 is released on March 21st to address Microsoft account sign in issue among some apps caused by KB5079473 https://support.microsoft.com/topic/march-21-2026-kb5085516-os-builds-26200-8039-and-26100-8039-out-of-band-09e85404-1cb6-4ed4-9ca5-3e40d74307b9