How to fix
Teams error “We’re sorry – we’ve run into an issue”
on Windows

Whenever I try to log into Teams I get the following error message: "We're sorry - we've run into an issue." This repeats every time I try to log in. Is there anything I can do to fix this?

The "We're sorry-we've run into an issue" error in Microsoft Teams can appear while opening the application, signing in, or trying to use any of the features, and it prohibits the application from working as expected. This error message does not detail any specific information about the cause, and hence it is difficult to identify exactly what is causing Teams not to work properly. Since Teams is used frequently for communication and collaboration, such issues tend to disrupt workflows and delay important tasks.

A variety of reasons may trigger the "We're sorry - we've run into an issue" notification in Microsoft Teams. Damaged application files or incomplete installation disrupts the normal launch of the application. Also, an older version of Teams may be a concern, as would be the absence of some feature updates on the Windows system side, which introduces compatibility issues.

This can also be because of network restrictions, firewall settings, or proxy configurations that impede Teams from connecting to Microsoft's servers and hence prevent them from signing in or syncing. Sometimes, issues with the Teams cache or conflicts with other Microsoft 365 applications can cause this error, which further complicates the process of troubleshooting.

Resolving the "We're sorry - we've run into an issue" error involves checking multiple aspects of the system to identify and fix the underlying issue. Ensuring that Teams is installed correctly and updating the application can address compatibility problems.

Clearing cache files and resetting Teams settings may help if corrupted data is causing the issue. Network troubleshooting, such as adjusting firewall settings, can be necessary if connectivity problems are responsible. In cases where standard fixes do not resolve the error, reinstalling Teams or repairing Microsoft 365 components might be required.

For a more automated approach, using [d1] repair app can help detect and fix underlying Windows issues that may be contributing to the problem.

Fix 1. Clear the Teams cache

• Press Win + E to open File Explorer.
• Ensure Hidden files are visible.
• In the address bar, type in %appdata%\Microsoft\teams and press Enter.
• Delete the contents of the following folders:
  %appdata%\Microsoft\teams\application cache\cache
  %appdata%\Microsoft\teams\blob_storage
  %appdata%\Microsoft\teams\Cache
  %appdata%\Microsoft\teams\databases
  %appdata%\Microsoft\teams\GPUcache
  %appdata%\Microsoft\teams\IndexedDB
  %appdata%\Microsoft\teams\Local Storage %appdata%\Microsoft\teams\tmp
• Make sure you empty the Recycle Bin (or use Shift + Del combination to delete these files).
• Restart your system.

Fix 2. Update Microsoft Teams

• Open Microsoft Teams.
• Click on the Settings and more button at the top-right corner.
• Select Check for updates.
• Teams will automatically download and install any available updates.
• Restart Teams after the update is completed.

Fix 3. Check your internet connection

Windows 11

• Type Troubleshoot in Windows search and hit Enter.
• Select Other troubleshooters.
• Locate Network & Internet troubleshooter from the list and click Run.
• Wait till the process is finished and apply the recommended fixes.
• Restart your computer.

Run Network troubleshooter in Windows 10

• Right-click on Start and pick Settings.
• Go to the Network & Internet section.
• On the right side, find the Advanced network settings section.
• Click Network troubleshooter and wait.

Fix 4. Run Clean Boot

• Type msconfig in Windows Search and press Enter.
• Click on the Services tab and check the Hide all Microsoft Services box.
• Click Disable all to disable non-Microsoft services, then click the Startup tab.
• Open the Task Manager, disable all startup items, and close the Task Manager.
• Go to the Boot tab and mark the Safe boot option.
• Click OK on the System Configuration window and restart your computer.
• Check if the error persists.
• Enable half of the disabled services in System Configuration.
• Restart your PC and check again.
• Repeat enabling services in smaller groups until the issue reappears.
• Once found, keep the problematic service disabled or consider updating it.

Fix 5. Repair or reset Microsoft Teams

• Click on Start and pick Settings.
• Go to the Apps section.
• Locate Microsoft Teams from the list.
• Click on the three vertical dots and pick Advanced options.
• Click Terminate to ensure that the app is not running.
• Under the Reset section, click Repair and see if that solved your issue.
• If not, then try the Reset option.

Fix 6. Reinstall Microsoft Teams

• Type Control Panel in Windows search and press Enter.
• Go to Programs > Uninstall a program.
• Find Microsoft Teams, right-click, and select Uninstall.
• Follow the prompts to remove the app.
• Once done, press Win + E to open File Explorer.
• In the View tab at the top of the window, enable Hidden Files.
• Go to C:\Program Files\WindowsApps location.
• Scroll down to find the Microsoft Teams folder and delete it (alternatively, you can rename it).
• Now type %AppData% in Windows search and press Enter.
• Delete the Teams folder here.
• Finally, restart your system and reinstall the app.

Fix 7. Ensure file paths and permissions are correct

The error may occur if Teams is unable to access particular files because of incorrect file paths or permissions. This problem is fixed by making sure the file access is correct. 

• Navigate to the directory where Teams stores files (%appdata%\Microsoft\Teams by default).
• Right-click the folder, select Properties, and go to the Security tab.
• Ensure that your user account has full control permissions.
• Apply the changes and restart Teams to see if the error is resolved.