8 Ways to Fix Microsoft Teams Keeps Asking to Sign In Error on Windows

Microsoft Teams

We understand the frustration that arises when you encounter technical issues that hinder your productivity. One common problem that many Windows users face is Microsoft Teams keeps asking to sign in. We have prepared this comprehensive guide to help you troubleshoot and resolve this issue efficiently, allowing you to get back to work seamlessly.

Understanding the Sign-In Issue in Microsoft Teams

Before diving into the troubleshooting steps, let’s take a moment to understand why Microsoft Teams may keep asking you to sign in on your Windows computer. There could be several reasons behind this persistent sign-in prompt, such as:

  • Credentials Expired: If your credentials for Teams have expired or become invalid, the application will prompt you to sign in repeatedly.
  • Outdated Teams Version: Running an outdated version of Microsoft Teams may lead to sign-in issues. Updating the application can often resolve this problem.
  • Cache and Cookies: Accumulated cache and cookies in the application’s storage can sometimes cause conflicts and result in the sign-in loop.
  • Proxy Settings: Incorrect proxy settings on your system can interfere with the authentication process and cause Teams to ask for sign-in repeatedly.
  • Conflicting Applications: Certain third-party applications or security software might conflict with Microsoft Teams, leading to authentication problems.

Now that we have identified potential causes let’s move on to the step-by-step troubleshooting process.

How to Fix the Issue of Microsoft Teams Keeps Asking to Sign In on Windows

Follow these detailed steps to fix the issue of Microsoft Teams keeps asking to sign in on your Windows computer:

Step 1: Check your Internet Connection

A stable and reliable internet connection is crucial for Teams to function properly. Ensure that you are connected to the internet and can access other websites without any issues.

Step 2: Verify Date and Time Settings

Incorrect date and time settings on your computer can lead to authentication problems. Make sure the date, time, and time zone settings are accurate.

Step 3: Restart Microsoft Teams

Sometimes, restarting the application can resolve temporary glitches. Close Teams completely and relaunch it to see if the sign-in issue persists.

Step 4: Update Microsoft Teams

Ensure that you are running the latest version of Microsoft Teams. Check for updates and install any available updates to ensure compatibility and bug fixes.

Step 5: Clear Teams Cache and Cookies

Accumulated cache and cookies in Microsoft Teams can interfere with the sign-in process. Clearing them can often resolve the issue.

On Windows, you can do this by navigating to %appdata%\Microsoft\Teams in File Explorer and deleting all files and folders within the folder.

Step 6: Reset Credentials

Resetting your credentials can help resolve authentication problems. Follow these steps:

  • Close Microsoft Teams.
  • Press Ctrl + Shift + Esc to open the Task Manager.
  • Under the “Processes” tab, find and select “Teams.exe” from the list, then click “End Task.”
  • Press Windows Key + R to open the Run dialog box.
  • Type %appdata%\Microsoft\Teams and click “OK.”
  • Delete the “blob_storage” and “cache” folders.
  • Relaunch Microsoft Teams and sign in again with your credentials.

Step 7: Check Proxy Settings

Incorrect proxy settings can disrupt the sign-in process. Ensure that your proxy settings are configured correctly. If you are unsure about the correct settings, consult with your network administrator.

Step 8: Temporarily Disable Security Software

Some security software, such as firewalls or antivirus programs, may interfere with Microsoft Teams’ authentication process. Temporarily disable such applications and check if the sign-in issue persists. If disabling the security software resolves the problem, contact the software vendor for further assistance on configuring the settings.

By following these troubleshooting steps, you should be able to resolve the issue of Teams repeatedly asking to sign in on your Windows computer. However, if the problem still persists, we recommend reaching out to Microsoft support or their community forums for further assistance.


In this guide, we have provided a comprehensive set of troubleshooting steps to help you overcome the issue of Microsoft Teams continuously asking to sign in on your Windows computer. By following these steps, you can regain access to Teams and resume your work without interruptions. Remember to keep your Microsoft Teams application updated and maintain a stable internet connection for optimal performance.

We hope this guide has been helpful to you in resolving the sign-in loop issue with Microsoft Teams. If you have any further questions or require additional assistance, please don’t hesitate to reach out. We are here to help you succeed!