Fix Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listGit Clone SSL Connection Timeout: Causes and Fixes
When you run git clone over HTTPS and see an error like Failed to connect to g...
How to Disable Chrome Extensions to Free Up Memory
If Chrome is using too much memory, extensions are a common culprit. Each extension runs its own ...
How to Resolve Git Merge Conflicts on the Same Line
You run git merge and get a conflict marker on a single line. The file shows both ve...
Fix DNS Probe Finished NXDOMAIN in Edge Browser
When Microsoft Edge shows "DNS_PROBE_FINISHED_NXDOMAIN", it means the browser cannot reso...
Chrome Sync Stuck on Waiting for Sync: Practical Fixes
You open Chrome, click the profile icon, and see the never-ending 'Waiting for sync' mess...
Topic paths
Quick titles
Fix Docker Compose Port Already AllocatedVS Code Git Auth Error on Mac: How to FixGit Push Rejected Non Fast Forward: Troubleshooting ChecklistHow to Enable Greyed Out Defender Real-Time ProtectionWindows Security Repair GuideFix VSCode Terminal Not Opening with Git BashChrome Startup Crash Due to Sandboxing: How to FixCloudflare SSL Full Strict Troubleshooting Steps