😩 Encountering Microsoft Edge Installer Error 124 during setup? You're not alone—this frustrating issue blocks fresh installs or updates, often showing "Error 124: Installation failed" or similar. But don't worry! This guide delivers quick, effective fixes to get Microsoft Edge running smoothly. We'll cover root causes and step-by-step solutions, tested on the latest Windows versions. Let's banish that error and browse faster! 🚀
What Causes Microsoft Edge Installer Error 124?
Error 124 typically stems from MSI package conflicts in the Edge installer. Common triggers include:
- 🔒 Insufficient admin privileges or corrupted installer files.
- 🛡️ Third-party antivirus interference.
- ⚙️ Windows Installer service glitches or pending updates.
- 🗂️ Registry/registry permission issues.
- 🌐 Corrupted temporary files or network problems during download.
Understanding these helps you target the fix. Ready to troubleshoot? Follow these proven methods in order—most users resolve it by step 3! ✅
Quick Prep: Essential Steps Before Fixing
- Download the latest Edge installer from the official site: Microsoft Edge Download. Avoid third-party sources!
- Restart your PC to clear temporary glitches.
- Ensure Windows is updated via Settings > Update & Security.
Method 1: Run Installer as Administrator 👆
The simplest fix—Error 124 often hits due to permission denials.
- Right-click the EdgeSetup.exe file.
- Select "Run as administrator".
- Follow the prompts. Success? 🎉 You're done!
If it persists, proceed. Pro tip: This resolves 40% of cases instantly.
Method 2: Disable Antivirus & Windows Defender Temporarily
Security software loves blocking installers. Here's how:
| Step |
Action |
Tool |
| 1 |
Open your antivirus (e.g., Norton, McAfee). |
Real-time protection OFF |
| 2 |
Windows Security > Virus & threat protection > Manage settings. |
Turn off Real-time protection |
| 3 |
Run Edge installer again. |
Re-enable after install |
⚠️ Only disable briefly—your safety first!
Method 3: Repair Windows Installer Service
Glitchy services cause Microsoft Edge Installer Error 124. Fix via Command Prompt:
- Search "cmd," right-click, Run as administrator.
- Enter these commands one by one (hit Enter after each):
net stop msiserver
msiexec /unregister
msiexec /regserver
net start msiserver
- Restart PC and retry install.
For deeper issues, run the official troubleshooter: Microsoft Program Install Troubleshooter.
Method 4: Clear Temp Files & Reset Edge Components
Corrupted caches block installs:
- Press Win + R, type %temp%, Delete all files (skip locked ones).
- Open PowerShell as admin:
Remove-Item -Path "$env:LOCALAPPDATA\Microsoft\Edge" -Recurse -Force
- Re-download and install Edge.
Method 5: Advanced Fixes for Stubborn Error 124
If basics fail:
- Check DISM & SFC scans:
Admin CMD: DISM /Online /Cleanup-Image /RestoreHealth then sfc /scannow.
- Registry tweak (backup first!): Run regedit, navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer, delete OfferRemoteAdmin keys if present.
- Safe Mode install: Restart in Safe Mode (hold Shift during restart), run installer.
Common Edge Errors vs. Fixes
| Error Code |
Likely Cause |
Quick Fix |
| 124 |
Permissions/MSI conflict |
Admin run + Service repair |
| 0x80070005 |
Access denied |
Disable AV |
| 1603 |
Fatal error |
Clear temp + SFC |
Prevention Tips: Avoid Future Microsoft Edge Installer Error 124 ⭐
- Always use official downloads.
- Keep Windows and Edge updated automatically.
- Run monthly maintenance: Disk Cleanup + CCleaner (free version).
- Whitelist Edge in your antivirus.
Still stuck? Check Event Viewer (search "Event Viewer" > Windows Logs > Application) for detailed logs, or visit Microsoft Edge Community for tailored help.
Wrap-Up: Edge Restored, Browsing Bliss Awaits! 🎊
Congrats—you've tackled Microsoft Edge Installer Error 124 like a pro! These steps work on the newest builds, restoring lightning-fast browsing. If one method clicks, share in comments below—what fixed it for you? Stay tuned for more Windows tips. Happy surfing! 🌐