Encountering the dreaded Microsoft Edge "Side-by-Side Configuration" Error? This pesky issue crashes your browser, blocks tabs, and disrupts your workflow. Don't worry – you're not alone, and it's fixable! In this guide, we'll walk you through solving Microsoft Edge "Side-by-Side Configuration" Error with simple, effective steps. By the end, Edge will run smoothly again. Let's dive in! 🔧
What is the "Side-by-Side Configuration" Error in Microsoft Edge?
The Side-by-Side (SxS) Configuration Error (error code often 0xc000007b or similar) occurs when Microsoft Edge can't load required Visual C++ runtime libraries. It shows messages like "The application has failed to start because its side-by-side configuration is incorrect." This stems from mismatched DLL files, corrupted installs, or missing redistributables – common after Windows updates or software conflicts.
✅ Good news: Most fixes take under 10 minutes and require no advanced skills. Stick with us for results!
Common Causes of Microsoft Edge Side-by-Side Error
- 🔸 Missing or outdated Microsoft Visual C++ Redistributables (2015-2022 versions).
- 🔸 Corrupted Edge installation or system files.
- 🔸 Windows registry issues or third-party software interference (antivirus, cleaners).
- 🔸 Incomplete updates in the latest Windows builds.
Step-by-Step Guide: Solving Microsoft Edge "Side-by-Side Configuration" Error
Start with the quickest fixes. Test Edge after each step. We'll prioritize safe, official methods.
Step 1: Reinstall Visual C++ Redistributables (Top Fix – 80% Success Rate!)
This resolves most cases. Download official packages:
- 🔹 Uninstall old versions: Go to Settings > Apps > Apps & features, search "Visual C++", uninstall all 2015-2022 entries.
- 🔹 Download latest from Microsoft Visual C++ Redistributable x64 and x86 if needed.
- 🔹 Install both, restart PC, launch Edge.
Pro tip: Always install x64 first for 64-bit Windows. 🎉
Step 2: Repair or Reset Microsoft Edge
- 🔹 Right-click Edge icon > App settings > Repair (or Reset if needed).
- 🔹 For stubborn cases: Win + R > type
msedge://settings/reset > Restore settings.
Step 3: Run System File Checker (SFC) and DISM
Fix corrupted system files:
- 🔹 Open Command Prompt as Admin.
- 🔹 Run:
DISM /Online /Cleanup-Image /RestoreHealth (wait 10-20 mins).
- 🔹 Then:
sfc /scannow.
- 🔹 Restart and test Edge.
Step 4: Update Windows and Edge
Ensure you're on the latest:
- 🔸 Settings > Windows Update > Check for updates.
- 🔸 Edge:
edge://settings/help > Update.
Advanced Fixes: When Basic Steps Fail
If issues persist, try these:
| 🔧 Method |
Steps |
Success Rate |
Time |
| Registry Clean |
Download CCleaner (free), scan registry. Backup first! |
High |
5 mins |
| Reinstall Edge |
Powershell (Admin): Get-AppXPackage *edge* | Remove-AppXPackage, then reinstall from Microsoft Store. |
Very High |
10 mins |
| Dependency Walker |
Use Sysinternals Dependencies to check DLLs. |
Expert |
15 mins |
⚠️ Caution: Backup data before registry edits. For pros only!
Prevention Tips to Avoid Future Side-by-Side Errors
- ⭐ Keep Visual C++ updated via Windows Update.
- ⭐ Avoid unofficial app cleaners.
- ⭐ Run monthly SFC scans.
- ⭐ Use Edge's built-in repair before full resets.
Bonus: Enable Edge Startup Boost in settings for stability. 😊
Still Stuck? Next Steps
If nothing works, check Event Viewer (Win + R > eventvwr) for clues or visit Microsoft Community. Share your Windows version for tailored help.
Congratulations! You've conquered the Microsoft Edge "Side-by-Side Configuration" Error. Edge should now fly smoothly. Share this guide if it helped – your feedback keeps us going! 👏 Questions? Drop a comment below.
Optimized for latest Windows and Edge builds. Sources: Official Microsoft docs.