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

Fix Microsoft Store 404 Error by Clearing Cache

When you open Microsoft Store and see a 404 error, it usually means the app can't load its conten...

Fix Windows Security Real-Time Protection Stuck

Windows Security’s real-time protection can get stuck in an “on” or “off” state, sometimes refusi...

How to Fix Windows Security Virus Protection Turned Off

If you see a warning that Windows Security virus protection is turned off, it usually means the b...

Fix Windows Search Access Denied for Administrator Account

Why You See 'Access Denied' as Administrator

You're logged in as an administrator, but Wi...

Fix OneDrive Blank Screen Error 0x8004de40

You open OneDrive and see a blank screen with error code 0x8004de40. This usually means the app c...

Remote Desktop Rate Limit Not Working: Fixes and Checks

You've set up a rate limit on your remote desktop service to prevent abuse, but connections still...