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...

Brave Browser Sync Not Syncing Bookmarks: Fixes

You've set up Brave Sync across devices, but bookmarks aren't showing up. This is a common issue,...

Fix Windows Update Error 0x80070002 Version Mismatch

You run Windows Update and get error 0x80070002 with a message about a version mismatch. This usu...

PowerShell Profile Script Not Loading: Practical Fixes

You open PowerShell, run a custom function or alias you defined in your profile script, and nothi...

Fix Outlook 504 Gateway Timeout by Clearing Cache

If you're seeing a "504 Gateway Timeout" error in Outlook—especially when connecting to Exchange ...

Conda Environment Solve Failed: Practical Troubleshooting Checklist