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

Fix Cloudflare Error 521 After a Server Update

If you see Cloudflare error 521 after updating your server, the origin web server is refusing the...

How to Fix Git Push Failed Due to Large File

You try to push a commit to a remote repository, and Git rejects it with an error about file size...

Fix Windows 11 Setup Stuck at 99%

You're installing Windows 11 and the progress bar hangs at 99% for a long time. This is a kno...

How to Reset Windows Search Index (Step by Step)

If Windows Search stops finding your files, returns old results, or uses high CPU, the search ind...

Cloudflare DNS Propagation: How to Check and Fix Delays

When you change DNS records on Cloudflare, propagation can take longer than expected. This articl...

Fix 'pip install' Permission Denied on Ubuntu