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

Fix Windows Defender Error 0x80073b01 (Crash on Startup)

If Windows Defender crashes on startup with error code 0x80073b01, the antivirus service may be f...

Outlook Update Stuck on Downloading: How to Fix

If your Outlook update is stuck on “Downloading 0%” or “Downloading updates…” for more than 15–20...

Fix Windows Search Rate Limit Error After Update

After a Windows Update, some users see a 'Rate limit exceeded' or 'Too many requests' error when ...

Outlook Sync Issues After Setup: Practical Fixes

After setting up Outlook for the first time or reconfiguring an account, sync issues can appear—e...

Fix 'Access Denied' Errors After Windows Update

After a Windows update, you might see "Access Denied" errors when trying to open Windows Security...

Resolve PowerShell Module Dependency Conflicts