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

Fix Windows Security Authentication Error 0x80070035

Fix Windows Security Not Opening or Running Slow

If Windows Security (formerly Windows Defender) won't open or takes forever to load, it's usually...

How to Enable BitLocker Service When It's Unavailable

You open BitLocker Drive Encryption and see "BitLocker service is unavailable" or the service won...

Fix OneDrive Sync Service Unavailable: Configuration Steps

When OneDrive shows "sync service unavailable," files stop syncing and you may see error codes li...

Fix Windows Defender Not Working After Update

After a Windows update, you might find that Windows Defender (Microsoft Defender Antivirus) is di...