How to Fix MicrosoftSecurityApp.exe Bad Image Error 0xc0e90002
Key Notes
- Understand that corrupted or missing files are typical causes of the error.
- Always start with basic troubleshooting steps before more advanced fixes.
- Utilize built-in Windows tools like DISM and SFC for file corruption issues.
Troubleshooting the MicrosoftSecurityApp.exe Bad Image Error on Windows 11
Are you facing the MicrosoftSecurityApp.exe Bad Image error that impedes your access to Windows 11? This guide offers clear solutions to rectify this critical issue.
Initial Solutions to Consider
Quick Fixes
Before delving into complex solutions for the MicrosoftSecurityApp.exe Bad Image error, try these straightforward initial fixes:
- Reboot your PC and observe if the issue persists.
- Check for pending Windows Updates and complete the installation.
- Temporarily disable any non-Microsoft antivirus or security applications.
Comprehensive Troubleshooting Steps
Step 1: Remove Conflicting Microsoft Defender Instances
It’s common for users to encounter conflicting security software. Follow these steps to uninstall unrelated Microsoft Defender instances:
- Open Settings by pressing Windows + I, click on Apps in the left pane, and navigate to Installed apps.
- Find the Microsoft Defender entry, click the ellipsis next to it, and choose Uninstall.
- Confirm the uninstallation.
- Restart your computer and check if the error has cleared.
Pro Tip: Conflicting security applications are a common cause for the Bad Image error. Removing unnecessary instances can often resolve the problem.
Step 2: Repair Corrupted System Files
Repairing corrupted system files is crucial in fixing the Bad Image error. Follow the steps below:
- Launch Run by pressing Windows + R, type cmd, and hit Ctrl + Shift + Enter.
- Authorize the UAC prompt by clicking Yes.
- Run the following DISM commands one at a time, pressing Enter after each:
DISM /Online /Cleanup-Image /CheckHealthDISM /Online /Cleanup-Image /ScanHealthDISM /Online /Cleanup-Image /RestoreHealth - After that, execute the command
sfc /scannow. - Restart your machine once the scan completes.
Pro Tip: Use the SFC and DISM tools regularly to identify and repair system file issues before they become larger problems.
Step 3: Swap the Faulty DLL File
If a specific DLL file is causing the issue, replace it with a copy from a working system:
Obtain the System. Xml. Linq.ni.dll file from a different computer with similar specs. Then, paste it in this directory on your system: C:\Windows\assembly\Nativeimages_v4.0.30319_64\System. Xml. Linq\
Alternatively, consider utilizing a reliable DLL repair tool that can automate the process of repairing or replacing missing DLLs.
Step 4: Exit S Mode
Exiting S Mode can alleviate issues linked with app restrictions:
- Access Settings via Windows + I, click on System, and select Activation.
- Click on the Open Store link under the S Mode section.
- Press Get to switch out of S Mode.
- Restart your machine after confirming the operation.
Pro Tip: Exiting S Mode could help improve your experience by removing limitations that may contribute to application errors.
Step 5: Execute an In-Place Upgrade
An in-place upgrade can restore missing system components without losing your files:
- Visit the Microsoft download page and select your OS version to download the Windows 11 ISO.
- Open the ISO file and select Open when prompted.
- Run setup.exe from the ISO.
- Choose Next to proceed through the prompts.
- Accept the license terms when prompted.
- Ensure that the setup retains your personal files and applications, then click Install to commence the process.
Post-upgrade, you should find that the MicrosoftSecurityApp.exe Bad Image error has been resolved. This effectively reinstalls crucial system files without data loss.
Additional Tips to Ensure System Stability
- Regularly check for missing DLL files to prevent similar issues.
- Keep your system and applications up to date to avoid conflicts.
- Consider using built-in Windows tools for routine maintenance and repairs.
Summary
The MicrosoftSecurityApp.exe Bad Image error can stem from various issues, most notably corrupted or missing files. By following the troubleshooting steps outlined in this guide, including removing conflicting software, repairing system files, and ensuring your Windows environment is optimal, you can effectively resolve this error and enhance your system’s performance.
Final Thoughts
Encountering a MicrosoftSecurityApp.exe Bad Image error can be frustrating, but with the right troubleshooting techniques, you can restore your Windows 11 experience. Remember that regular maintenance and updates are key to preventing future problems. If issues persist, consider reaching out for professional assistance to ensure your system remains robust.
FAQ (Frequently Asked Questions)
What causes the MicrosoftSecurityApp.exe Bad Image error?
The error is typically caused by corrupted or missing files, conflicts with other applications, or issues with Windows system files.
Can I fix the error without reinstalling Windows?
Yes, you can resolve the error through various steps such as uninstalling conflicting applications, repairing system files, or performing an in-place upgrade without data loss.