Fix Windows Defender High Memory Usage & Error 0x80070002
You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update Proxy Errors After Network Change
If you recently switched networks—say, from a corporate VPN to a home Wi-Fi—and Windows Update no...
Fix Windows Security 504 Gateway Timeout After Reset Settings
If you've reset Windows Security settings and now see a 504 gateway timeout error when opening th...
Fix Windows 10 Update Stuck at 100%
You've waited through a Windows 10 update, only to see it stuck at 100% for an hour (or more). Th...
Microsoft Teams Update Stuck at Downloading: How to Fix
When Microsoft Teams gets stuck at "Downloading" during an update, the app may become unresponsiv...
BitLocker Connection Timeout Sync Issue: Fixes & Workarounds
If BitLocker recovery keys or status fail to sync with Active Directory or Microsoft account, a c...
Topic paths
Quick titles
BitLocker CPU Spike? Follow This ChecklistOutlook Service Unavailable? Try This Troubleshooting ChecklistChrome Profile Locked: Troubleshooting for Shared ComputersHow to Fix Expired Token in Task SchedulerFix Microsoft Teams 'Path Not Found in Registry' ErrorWindows Security Auto Start Disabled: How to EnableHow to Resolve Task Scheduler Error 0x80070020 Port ConflictSSH Permission Denied publickey Troubleshooting Checklist