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

SSH Permission Denied (Publickey) on EC2: Setup Fixes

If you're seeing "Permission denied (publickey)" when trying to SSH into an AWS EC2 instance, the...

How to Fix Windows Search Not Responding Error

When Windows Search stops responding, you might see a spinning cursor or a message that search is...

Fix Rust Cargo Linker Error 'Not Found'

When running cargo build or cargo check, you may see an error like:

Fix PowerShell 502 Bad Gateway Due to Proxy Configuration

If you're running PowerShell commands that make web requests—like Invoke-WebRequest ...

How to Fix Error 0x80070643 When Windows Update Fails

Error 0x80070643 typically appears during Windows Update when the system cannot complete an updat...

Fix Docker Volume Permission Denied on Linux