Cursor
Cursor Authentication Error Not Logged In
When Cursor shows Authentication error and If you are logged in, try logging out and back in, Sign Out, fully quit from the tray, then Sign In.
Windows · Mac · DesktopUpdated Sep 12, 2026
Cursor Problems & Fixes
Troubleshooting for Cursor sign-in, agent, chat, indexing, and editor behavior.
Guide library
All Cursor fixes
6 guides
Cursor
Cursor You're Out of Usage Switch to Auto Cost
When Cursor shows You're out of usage and Switch to auto, pick Auto then Optimize For Cost, or Composer 2.5 with Fast off.
Windows · Mac · DesktopUpdated Sep 12, 2026
Cursor
Cursor No Resource Accessor Found for Composer
When Cursor logs No resource accessor found for composer, open a real project folder, repair an empty code-workspace file, and start a new chat.
Windows · Mac · DesktopUpdated Sep 11, 2026
Cursor
Cursor Unable to Verify the First Certificate
When Cursor shows unable to verify the first certificate, enable Http System Certificates and Experimental System Certificates V2, then fully quit.
Windows · Mac · DesktopUpdated Sep 8, 2026
Cursor
Cursor Agent Connection Failed Please Try Again
When Cursor Agent shows Connection failed. Please try again, or contact support if the issue persists, set HTTP Compatibility Mode to HTTP/1.1 and fully quit.
Windows · Mac · DesktopUpdated Sep 7, 2026
Cursor
Cursor Unable to Reach the Model Provider
When Cursor shows Unable to reach the model provider, disable MCP servers in Tools & MCP first. This is not the Connection failed HTTP/1.1 path.
Windows · Mac · DesktopUpdated Sep 7, 2026