How to Fix Cursor waitForProviderRegistration Timeout
Fix Cursor's waitForProviderRegistration timeout by locating the failing extension host, then repairing the remote server or desktop install with evidence.
Topic
Cursor
Cursor AI code editor
How to Fix Cursor Extension Host Timeout (deadline_exceeded)
A code-specific fix for Cursor's ERROR_EXTENSION_HOST_TIMEOUT and deadline_exceeded message, with extension isolation, process checks, and repair steps.
How to Fix Cursor Agent Execution Backend Unavailable in WSL
A WSL-specific checklist for Cursor's Execution backend unavailable error, including the duplicate extension trap, reset command, and log checks.
How to fix Cursor's Terminal sandbox error on Linux (AppArmor)
Cursor's terminal sandbox fails on Ubuntu 24.04+, Fedora, and Arch because of an AppArmor namespace restriction -- here's the two-command fix and why chmod 4755 makes it worse.
Cursor Override OpenAI Base URL Breaks Anthropic Key: Fix
One Cursor settings toggle causes three different Anthropic API key errors. Here is the exact fix and why it can silently undo itself.
How to fix the Cursor Provider Error that lasts for days
Most persistent Cursor Provider Errors aren't a network problem — they're caused by a conflicting MCP server. Here's the fix sequence that actually works.
How to fix the Cursor Connection Error when the agent stops working
The same 'Connection failed' error hides four different causes. Here's how to diagnose which one is hitting you and apply the right fix.
Fix "agent execution provider did not respond in time" in Cursor
Cursor agent mode blocked by 'The agent execution provider did not respond in time'? Reload Window first, then escalate to Restart Extension Host, CachedData clear, or a clean reinstall if the log shows a hash mismatch.
Cursor: fix 'Waiting for extension host' hang
The 'Waiting for extension host' hang blocks Cursor's AI agent and extensions. Four fixes in order of effort: restart the host, disable extensions, wipe the state database, or update Cursor.
How to Clear the Cursor Cache: Fix Stuck or Laggy AI
Stuck indexing, frozen chat, dead autocomplete? Clear Cursor's cache - the soft in-app reset first, then the on-disk folders, with the exact paths per OS.