Windows⏱️ 1 min read

How to Fix Error the application has failed to start in Windows – Complete Guide

Resolve Application Has Failed to Start Side by Side Configuration error in Windows by following this step-by-step guide.


The 'Application has failed to start' error with a side-by-side configuration is often caused by issues with installed applications or Windows updates. To resolve this issue, follow these steps:

⚠️ Common Causes

  • Incompatible application versions
  • Corrupted Windows registry entries

🛠️ Step-by-Step Fixes

Method 1: Quick Fix

  1. Step 1: Press the Windows key + R to open the Run dialog box, then type appxsrv.exe and press Enter. This will reset the side-by-side configuration.
  2. Step 2: Restart your computer to apply the changes.

💡 Conclusion

If the quick fix doesn't work, you may need to try more advanced troubleshooting steps or seek further assistance from a Windows expert.

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