How to Fix Windows Security Not Opening on Windows 10/11 (2026 Guide)
Is Windows Security not opening, loading, or working on your PC? This complete 2026 guide will show you 7 proven methods to fix Windows Security (Windows Defender) issues on Windows 10 and Windows 11!
In this video, I'll walk you through step-by-step solutions to fix Windows Security when it won't open, is stuck loading, shows errors, or isn't responding. These methods work for both Windows 10 and Windows 11.
🛡️ SOLUTIONS COVERED:
✅ Understand why Windows Security won't open
✅ Restart Windows Security services
✅ Scan and repair corrupted system files (SFC & DISM)
✅ Repair Windows Security components
✅ Re-register Windows Security apps
✅ Update Windows 10/11 to latest version
✅ Use Windows Security troubleshooter
⏱️ TIMESTAMPS:
0:00 Why is My Windows Security Not Opening
0:26 How to Restart Windows Security
1:04 How to Scan Corrupted Files
1:50 How to Repair Windows Security
2:27 Re-registering Windows Security
2:59 How to Update Windows 10/11
3:28 How to Troubleshoot Windows Security
3:49 Outro
Article : https://fixtechhub.com/windows/how-to...
💡 This guide fixes:
Windows Security not opening or loading
Windows Defender won't start
Windows Security stuck on loading screen
Windows Security app not responding
Windows Security blank screen or error
Windows Security service disabled
🔧 Works for:
Windows 10 (all versions) and Windows 11 (22H2, 23H2, 24H2)
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💬 Comment below if you need additional help!