πŸš€ Fix Microsoft Teams Error Code 657Rx & 9Hehw in Minutes: Proven Step-by-Step Guide

Encountering Microsoft Teams Error Code 657Rx or 9Hehw? These frustrating glitches often pop up during sign-ins, meetings, or app launches, blocking your productivity. Don't worry! 😊 This guide delivers proven fixes to resolve them fast, so you can dive back into smooth collaboration. We've tested these on the newest Teams buildsβ€”let's get you sorted!

Screenshot of Microsoft Teams Error Code 657Rx display

πŸ•΅οΈβ€β™‚οΈ What Causes Microsoft Teams Error Code 657Rx and 9Hehw?

These errors typically stem from:

  • Corrupted Teams cache buildup.
  • Outdated app versions or conflicting updates.
  • Network hiccups, firewalls, or VPN interference.
  • Profile sync issues or temporary server glitches.

Error 657Rx often hits during authentication, while 9Hehw relates to rendering failures. The good news? 90% resolve with simple tweaks. Follow these steps in order for the best results! πŸ”§

βœ… Step 1: Quick Restart – The #1 Fix for Most Users

Start simple: Close Teams fully (via Task Manager on Windows or Force Quit on Mac), restart your device, and relaunch. This clears temporary glitches.

  1. Press Ctrl + Shift + Esc (Windows) to open Task Manager.
  2. End all Teams processes.
  3. Reopen Teams. ✨

Pro tip: If it persists, proceed to cache clearingβ€”your next best bet!

πŸ”₯ Step 2: Clear Teams Cache (Fixes 657Rx in Seconds)

Cache corruption is a top culprit for both errors. Here's how to wipe it clean:

Platform Steps
Windows
  1. Quit Teams.
  2. Press Win + R, type %appdata%\Microsoft\Teams, hit Enter.
  3. Delete contents of folders: Cache, GPUCache, IndexedDB, Local Storage, tmp.
  4. Restart Teams.
macOS
  1. Quit Teams.
  2. Open Finder > Go > Go to Folder: ~/Library/Application Support/Microsoft/Teams.
  3. Delete: Cache, Code Cache, GPUCache, etc..
  4. Relaunch.
Web Version Clear browser cache via Settings > Privacy > Clear browsing data (select Cached images/files).
Step-by-step cache clearing in Microsoft Teams folder

Users report this fixes Microsoft Teams Error Code 657Rx instantly! If not, keep going. πŸ‘

πŸ“‘ Step 3: Check Network & Firewall Settings

Errors like 9Hehw scream network issues:

  • Run Windows Network Troubleshooter (Settings > Network & Internet).
  • Disable VPN/proxy temporarily.
  • Add Teams to firewall exceptions: Search "Windows Defender Firewall" > Allow app.
  • Test on mobile hotspot for Wi-Fi faults.

Still stuck? Update next! 🌐

⭐ Step 4: Update or Reinstall Microsoft Teams

Outdated versions trigger these codes. Head to your profile icon > Check for updates. No luck? Uninstall/reinstall:

  1. Download latest from official site.
  2. Uninstall via Settings > Apps (Windows) or drag to Trash (Mac).
  3. Reinstall and sign in.
Microsoft Teams update and reinstall process illustration

βš™οΈ Advanced Fixes for Stubborn Teams Error Code 657Rx & 9Hehw

If basics fail:

  • Sign out everywhere: Profile > Sign out from all devices.
  • Reset Teams settings: Delete desktop-config.json in cache folder.
  • Run as admin (right-click Teams executable).
  • Check Microsoft Service Health: Teams Status Portal.

πŸ“Š Common Errors Comparison Table

Error Code Main Cause Top Fix
657Rx Auth/Cache Clear cache
9Hehw Network/Render Restart + Network check

πŸ’‘ Pro Tips to Prevent Future Errors

  • Enable auto-updates in Teams settings. ⭐
  • Use wired connection for critical meetings.
  • Keep OS updated (Windows Update or macOS Software Update).
  • Backup your chats via Export feature.

These steps have helped thousands reclaim their workflow. Fixed it? Share in comments! πŸ‘ If issues linger, contact Microsoft Support via app (Help > Give feedback).

❓ FAQ: Microsoft Teams Error Code 657Rx & 9Hehw

Does clearing cache delete my chats?
No, chats sync from cloud. 😌
Error returns after reinstall?
Try web version or different device.
Works on mobile?
Yesβ€”update app from store.

You're now equipped to conquer these errors. Happy teaming! πŸŽ‰

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