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

Fix PuTTY Connection Refused: Check SSH Service

When you see 'Connection refused' in PuTTY, it usually means the SSH server on the remote machine...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

Windows Update Failed to Install Manually: Practical Fixes

You download a Windows update from the Microsoft Update Catalog, double-click the .msu file, and ...

OneDrive Sync Failed: Configuration Error Repair Guide

When OneDrive throws a "sync failed to start" message tied to a configuration error, the app usua...

Fix Windows Activation DNS Not Resolving Server Name

When Windows fails to activate, the error often points to DNS problems — specifically, the server...

Fix Slow PowerShell Profile Loading

If your PowerShell console takes several seconds to become usable, a slow profile script is usual...