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Fix Windows Update Stuck on Checking for Updates with Connection Timeout - How to Resolve ERR_TUNNEL_CONNECTION_FAILED Mac Chrome-Windows Terminal Won't Open? Here's the Fix

2026-06-13 17:16:36
Fix Windows Update Stuck on Checking for Updates with Connection Timeout - How to Resolve ERR_TUNNEL_CONNECTION_FAILED Mac Chrome-Windows Terminal Won't Open? Here's the Fix

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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