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

Fix Windows Security DNS Error Blocking Internet Access

If your internet stops working and you see a Windows Security DNS error, it usually means the DNS...

Fix OneDrive Sync Permission Denied & Connection Refused

You're working and OneDrive stops syncing, showing "Permission Denied" or "Connection Refused." T...

Fix Windows Search Indexer High CPU and Memory Usage

If your PC feels sluggish and Task Manager shows SearchIndexer.exe using high CP...

Chrome Not Loading Websites but Internet Works: Fixes to Try

You're connected to the internet—other apps, email, or even another browser work fine—but Chrome ...

Reduce OneDrive High Memory Usage: Configuration Settings

If OneDrive is using more memory than expected—say over 500 MB on a system with 8 GB RAM—it can s...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...