Windows 11 is one of Microsoft’s most advanced operating systems, but even the latest version can sometimes face errors. After Windows updates, driver changes, software installations, or hardware upgrades, users may experience different problems.
In this guide, I will share the Top 15 Windows 11 errors in 2026 and their easy solutions. These fixes are useful for beginners as well as advanced PC users.
1. Windows 11 Update Failed Error
Common Symptoms:
- Update stuck at 0%
- Installation failed
- Error codes during Windows Update
Fix:
First, restart your PC and try again.
If the problem continues:
- Open Settings
- Go to System → Troubleshoot
- Select Other Troubleshooters
- Run Windows Update Troubleshooter
You can also clear Windows Update files and retry.
2. Windows 11 Slow Performance After Update
Symptoms:
- PC feels slow
- Apps open slowly
- High CPU usage
Fix:
Try these steps:
- Disable unnecessary startup apps
- Update drivers
- Remove temporary files
- Restart your PC
Open Task Manager:
Ctrl + Shift + Esc
Check which application is using too many resources.
3. Blue Screen of Death (BSOD)
The famous blue screen error can happen because of:
- Driver problems
- Hardware issues
- Corrupted system files
Fix:
Run:
sfc /scannowThen:
DISM /Online /Cleanup-Image /RestoreHealthAlso update your graphics and chipset drivers.
4. Windows 11 Black Screen Problem
Symptoms:
- Screen turns black after login
- PC starts but nothing appears
Fix:
Try:
Ctrl + Alt + Delete
Open Task Manager and restart Windows Explorer.
Also check:
- HDMI/DisplayPort cable
- GPU drivers
- Monitor connection
5. High RAM Usage in Windows 11
Symptoms:
- PC freezes
- Apps crash
- Slow multitasking
Fix:
Open:
Task Manager → Processes
Close unnecessary applications.
Also:
- Disable startup programs
- Remove unused software
- Increase virtual memory if needed
6. Windows 11 Wi-Fi Not Working
Symptoms:
- Wi-Fi disconnects
- Internet disappears
- Network adapter problems
Fix:
Try:
- Restart router
- Restart PC
- Update Wi-Fi drivers
- Reset network settings
Go to:
Settings → Network & Internet → Advanced Network Settings → Network Reset
7. Bluetooth Not Working in Windows 11
Symptoms:
- Bluetooth devices not connecting
- Headphones disconnecting
Fix:
Go to:
Device Manager → Bluetooth
Update the Bluetooth driver.
You can also remove the device and pair it again.
8. Windows 11 Search Not Working
Symptoms:
- Search bar does not open
- Results do not appear
Fix:
Restart Windows Search service:
- Press Win + R
- Type:
services.msc- Find Windows Search
- Restart the service
9. File Explorer Crashing
Symptoms:
- Explorer freezes
- Folders close automatically
Fix:
Restart Explorer:
- Open Task Manager
- Find Windows Explorer
- Click Restart
If the problem continues, clear File Explorer history.
10. Windows 11 No Sound Problem
Symptoms:
- Speakers not working
- Headphones not detected
Fix:
Check:
- Sound output device
- Audio drivers
- Volume mixer
Update audio drivers from Device Manager.
11. Windows 11 Driver Problems
Symptoms:
- Hardware not detected
- Crashes after installing updates
Fix:
Update:
- GPU drivers
- Chipset drivers
- Network drivers
- Audio drivers
Always download drivers from official manufacturer websites.
12. Windows 11 Installation Error
Symptoms:
- Installation stops
- Compatibility errors
Fix:
Check:
- TPM 2.0 enabled
- Secure Boot enabled
- Enough storage space
Remove unnecessary USB devices during installation.
13. 100% Disk Usage Problem
Symptoms:
- PC becomes extremely slow
- HDD/SSD usage stays at 100%
Fix:
Try:
- Disable unnecessary background apps
- Check Windows Search indexing
- Check drive health
For older PCs, upgrading from HDD to SSD gives a huge improvement.
14. Apps Not Opening in Windows 11
Symptoms:
- Programs crash
- Microsoft Store apps do not start
Fix:
Try:
- Restart PC
- Update the application
- Repair the app
Go to:
Settings → Apps → Installed Apps → Advanced Options → Repair
15. Windows 11 Activation Error
Symptoms:
- Windows shows activation warning
- License problems
Fix:
Go to:
Settings → System → Activation
Use the correct product key or connect your Microsoft account.
My Personal Advice for Avoiding Windows Errors
From my experience working with PCs, most Windows problems happen because of:
- Outdated drivers
- Too many unnecessary programs
- Poor maintenance
- Low storage space
- Ignoring Windows updates
A few simple habits can keep your PC running smoothly:
✔ Keep drivers updated
✔ Use an SSD
✔ Remove unused applications
✔ Keep enough free storage
✔ Create restore points before major changes
Final Thoughts
Windows 11 errors can be frustrating, but most problems can be fixed without reinstalling Windows.
Whether you are facing update failures, slow performance, driver issues, or system crashes, the solutions above can help you troubleshoot your PC quickly.
I will continue sharing Windows fixes, PC optimization guides, hardware updates, and gaming solutions here on WinHealer.