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

Fix Antivirus Causing High CPU Usage in Command Prompt

If you notice high CPU usage in Task Manager under Command Prompt, your antivirus software may be...

How to Clear PowerShell Cache Completely

PowerShell caches data to speed up module loading, command discovery, and history lookup. However...

Windows Security Not Opening: Practical Fixes That Work

When you click the Windows Security shield icon or try to open it from Settings and nothing happe...

Chrome Memory Stays High After Closing Tabs: Fixes That Work

You close a dozen tabs in Chrome, but the memory usage stays high—sometimes even after restarting...

How to Fix Windows Update Error 0x80070005 Step by Step

Windows Update error 0x80070005 usually points to a permission problem—Windows can't access certa...

Fix KMS Activation Error: Port 1688 Already in Use