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

Fix Windows Activation Blank Screen After Update

After a Windows update, some users see only a blank screen at login. The system may be unresponsi...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

How to Fix Remote Desktop 502 Bad Gateway Error

If you see a 502 Bad Gateway error when trying to connect to a remote desktop, it usually means s...

Fix Windows Search High CPU Usage: Disable Indexing

If your system feels sluggish and Task Manager shows SearchIndexer.exe or Windows Search using 50...

Windows Security App Not Working After Update: Fixes

After a Windows update, the Windows Security app may fail to open, show a blank screen, or displa...

Fix Remote Desktop Credentials After Password Change

You changed your Windows password, but now Remote Desktop (RDP) won't let you connect. The creden...