Knowledge base for software setup, errors, and daily tool work.

Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

Rebuild Windows Search Index Without Losing Data

If Windows Search stops returning results or behaves slowly, rebuilding the index often fixes it....

Fixing Node Version Conflicts with Global Packages

When you run a globally installed npm package and get an error about incompatible Node.js version...

Fix npm install Permission Denied on Shared Hosting

Fix Git 'index.lock file exists' Error

When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....