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

How to Use a Cloudflare DNS Propagation Checker Tool

After you change a DNS record in Cloudflare, it takes time for the update to spread across the in...

How to Fix pnpm ERR! Unsupported URL Type

When using pnpm, you may encounter an error like pnpm ERR! Unsupported URL Type. Thi...

Fix Chrome Black Screen on Startup Due to Hardware Acceleration

If Chrome opens to a black screen after you launch it, the issue often involves hardware accelera...

Fix Windows Security App Blocked by Antivirus

You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...

Node.js Memory Leak Detection: Tools and Practical Fixes

Node.js applications can develop memory leaks over time—heap usage grows steadily, response times...

How to Fix Git Push Rejected: Non-Fast-Forward Merge