The “Something went wrong” error tag 7q6ch in Microsoft Office disrupts your workflow during essential tasks such as creating documents or handling emails – it appears during app sign-in attempts including Outlook, Word and Excel and interrupts your work process.

Users face the Microsoft Office 365 sign-in error tag 7q6ch during their attempts to access the platform that frequently displays additional error codes such as 2150105345 according to multiple user reports. It prevents you from accessing your account while also blocking data synchronization and preventing the app from launching, which becomes a major problem if you need Office for work or school. Users of both recent operating system versions, such as Windows 10 and Windows 11, ad equally affected by this problem.

Multiple elements can activate the “Something went wrong” error tag 7q6ch. The authentication process often fails because of problems with Microsoft Account Sign-In Assistant or Web Account Manager services that manage Office app credentials.

The 7q6ch error also often occurs due to network problems and corrupted cache files located in OneAuth or IdentityCache folders which prevent successful sign-ins. System file corruption or conflicts with recent Office updates might be responsible when the issue manifests after a system change. In other cases, the culprits could be related to organizational policies that include conditional access settings.

To fix the error tag 7q6ch, you might need to reset authentication caches, ensure critical services are running, or repair your Office installation. Installing updates, eliminating system corruption, or altering network configuration can also fix the issue. If you are struggling with more issues and your computer is working poorly, we recommend scanning it with a powerful PC repair software FortectMac Washing Machine X9 before proceeding with manual steps below.

Fix 1. Reset Office authentication cache

Clearing cached login data forces Office to re-authenticate your account, often resolving sign-in glitches.

• Close all Office applications.
• Press Win R, type %localappdata%\Microsoft\OneAuth, and delete everything inside the folder.
• Repeat for %localappdata%\Microsoft\IdentityCache.
• Open an Office app and sign in again.

Fix 2. Ensure Microsoft account sign-in assistant is running

This service powers Office authentication – keeping it active can eliminate login errors.

• Type Services in Windows search and press Enter.
• Scroll to Microsoft Account Sign-In Assistant, right-click, and select Start if it’s stopped.
• Right-click again, choose Properties.
• Under Startup type, click on the drop-down menu and set it to Automatic.

Fix 3. Repair Office installation

A quick repair patches up corrupted Office files that might trigger the error.

• Type Control Panel in Windows search and press Enter.
• Select Programs > Programs and Features.
• Select Microsoft Office and click on Change.
• Choose the option for Online Repair and click Repair.
• Follow the prompts to finish the process.

Fix 4. Update Office

Outdated software can have bugs or compatibility issues – updating fixes these.

• Open Microsoft Word or any other Office app.
• Click on the File tab in the top-left corner.
• Select Account from the menu.
• Under the Product Information section, click on Update Options.
• Choose Update Now to check for and install any available updates.
• Restart the Office application after the update is complete to see if the issue is resolved.

Fix 5. Check network connection

Network issues can stop Office from connecting to authentication servers.

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.
• Repeat with Windows Store apps troubleshooter.

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.
• The fixes will be automatically applied.

Fix 6. Run SFC and DISM

Damaged system files can mess with Office’s authentication – this scan repairs them.

• Type cmd in Windows search.
• Right-click on Command Prompt and pick Run as administrator.
• User Account Control window will show up – click Yes when prompted.
• Then, copy and paste the following command, pressing Enter after:
  sfc /scannow
• Wait till the scan is finished. If Windows finds system file integrity violations, it will attempt to fix them. After this, use the set of the following commands, pressing Enter each time:
  DISM /Online /Cleanup-Image /CheckHealth
  DISM /Online /Cleanup-Image /ScanHealth
  DISM /Online /Cleanup-Image /RestoreHealth
• Close down the Command Prompt and restart your device.

Fix 7. Reinstall Office

A fresh install wipes out stubborn issues with Office’s authentication setup.

• Right-click on Start and pick Apps and Features/Installed apps.
• Scroll down to find the MS Office installation.
• Click Uninstall and confirm with Uninstall.
• Follow on-screen instructions to remove the app completely.
• Press Win E to open File Explorer.
• Navigate to the following location and delete its contents:
  C:\Program Files\Microsoft Office
• Next, type regedit in Windows search and press Enter.
• Go to the following locations in the Registry Editor and delete these items:
  Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\AppVISV
  Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun
  Computer\HKEY_CURRENT_USER\Software\Microsoft\Office
• Reboot the computer.
• Visit the Microsoft Office download page to download and reinstall Office.

Fix 8. Check organizational policies

Work or school accounts might face restrictions from conditional access policies – adjusting them can unlock access. For that, reach out to your IT administrator and ask whether all the necessary permissions are given to your account.

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