If your Windows PC is stuck in Diagnostic Startup mode, force Normal Boot via Command Prompt or disable PIN-only sign-in via Regedit.

How to use Windows Safe Mode You’ve got three different Safe Modes to choose from. Screenshot: Microsoft To get to Safe Mode, you need to boot Windows into its Recovery Environment.

Windows errors can sometimes come from malicious software, which an antivirus program can find and delete. Featured Link: Our 6 Favorite Free Antivirus Software of 2025 Reset Windows Update.

Microsoft published an official guide on how to troubleshoot and fix blue screen of death (BSOD) on Windows 11 and Windows 10.

A deployment image servicing and management (DISM) scan is less likely to fix the 0x800705b4 error but it's easy to do and can cover a few potential problems, including Windows Update errors.