Checklists for software errors, setup, and tool workflows.

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Fix Windows Defender Update Error 0x80070005

You see error 0x80070005 when trying to update Windows Defender. This usually means a permission ...

Fix Windows Search Index Paused Sync Issue

You open Search and nothing happens, or you see a message that indexing is paused. This often hap...

How to Fix Windows Defender Slow Performance

Windows Defender (now Microsoft Defender Antivirus) can sometimes cause noticeable slowdowns, esp...

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...

How to Fix Command Prompt Proxy Error

If you get a proxy error in Command Prompt—for example, when running curl, git...

How to Identify a Chrome Extension Causing Browser Crashes
If Chrome keeps crashing, freezing, or showing the 'Aw, Snap!' error page, a misbehaving extensio...