
Fix OneDrive 404 Not Found & File Access Denied Errors
You try to open a file in OneDrive and see a 404 Not Found message, or you get an Access Denied e...
Software troubleshooting desk

You try to open a file in OneDrive and see a 404 Not Found message, or you get an Access Denied e...

You click the extensions icon, but the list is empty, or extensions appear greyed out. This usual...

If OneDrive stops syncing and you suspect a DNS server problem, you're likely seeing errors like ...

When you open Windows Security and click on 'Threat history', you might see a spinning circle fol...

You're installing or configuring Outlook, you're logged in as an administrator, and you still get...

If you've tried clearing the Microsoft Store cache using the built-in method (wsreset.exe) and no...