
Troubleshooting
Fix Windows Security High Memory Usage (100%)
You open Task Manager and see Windows Security (or Antimalware Service Executable) using nearly 1...
Clear technical guides for everyday software errors, configuration problems, and productivity tools.

You open Task Manager and see Windows Security (or Antimalware Service Executable) using nearly 1...

If you see "We can't activate Windows on this device because of a proxy error" or similar, your s...

You might need to reset Windows Defender (now Microsoft Defender Antivirus) to its default settin...

If you've signed into Windows with your Microsoft account and notice that Defender settings—like ...

After a recent Windows or Microsoft Store update, you might see a rate limit error when trying to...

If you accidentally deleted your Firefox profile folder, your bookmarks, passwords, and settings ...
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Fix Microsoft Store Error 0x80070005: Permission Denied2026-06-06 · Backup Recovery