How to fix Microsoft Office error 58tm1 in Windows?

The “Something went wrong” error 58tm1 could be one of the most frustrating ones when using Microsoft Office applications, for it most of the time upsets the workflow by denying users access to some necessary documents. This error will appear more often at sign-in or when trying to open any of the Office applications such as Word, Excel, or Outlook. Users have reported sudden prompts indicating that something went wrong, accompanied by the 58tm1 error code, which hinders their ability to utilize Office services effectively.

The primary causes of the 58tm1 error are generally linked to authentication issues, corrupted cached credentials, or problems with specific Office-related plugins. Over time, cached credentials can become outdated or corrupted, leading to authentication failures when Office applications attempt to verify user identities.

Additionally, components like the Microsoft.AAD.BrokerPlugin, responsible for managing authentication processes, may encounter issues that result in this error. In some cases, incomplete installations or corrupted files within the Office suite can also trigger the 58tm1 error, further complicating access to Office applications.

To address this issue, several approaches can be considered. Clearing cached credentials ensures that outdated or corrupted login information does not impede the authentication process. Re-registering or deleting the Microsoft.AAD.BrokerPlugin forces the system to recreate necessary authentication components, potentially resolving the error. Repairing the Office installation can rectify any corrupted files that might be contributing to the problem. Additionally, signing out and back into Office applications refreshes authentication tokens, which may help in resolving the error.

For a more streamlined and automated solution, utilizing the FortectMac Washing Machine X9 PC repair tool can be beneficial. This tool is designed to detect and fix underlying Windows issues that may contribute to errors like 58tm1, thereby enhancing system stability and ensuring smoother operation of Microsoft Office applications.

Fix 1. Sign out and sign back into Microsoft Office

Authentication errors are a common cause of the 58tm1 error. Signing out and back into your Office account can refresh your session and resolve temporary glitches.

• Open any Microsoft Office application, such as Word or Excel.
• Click on your profile icon in the top-right corner.
• Select Sign out and close the application.
• Reopen the application and sign in again using your Microsoft account credentials.

Fix 2. Clear cached credentials

Corrupted cached credentials can cause authentication problems, leading to the 58tm1 error. Clearing them can reset the authentication process.

• Log off from Microsoft Office apps.
• Type Credential Manager in Windows search and press Enter.
• Select Windows Credentials.
• Look for any Office-related credentials, such as MicrosoftOffice15, MicrosoftOffice16, or OneDrive, and remove them.

Fix 3. Repair Microsoft Office installation

Corrupted or missing Office files can trigger the 58tm1 error. Repairing the installation can resolve these issues.

• 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. Re-register Microsoft.AAD.BrokerPlugin

The Microsoft.AAD.BrokerPlugin manages authentication processes in Office. Resetting it can address the 58tm1 error.

• Type cmd in Windows search.
• Right-click on Command Prompt and select Run as administrator.
• When User Account Control window shows up, click Yes.
• Enter the following commands and press Enter:
  regsvr32 /u Microsoft.AAD.BrokerPlugin.dll
  regsvr32 Microsoft.AAD.BrokerPlugin.dll
• Restart your PC and check if the error is resolved.

Fix 5. Delete Microsoft.AAD.BrokerPlugin folder

If re-registering the plugin doesn’t work, deleting its folder can force Windows to recreate it.

• In Windows search, type %localappdata%, and press Enter.
• Navigate to the following location:
  Microsoft > AADBrokerPlugin.
• Delete the contents of this folder.
• Restart your computer and try launching an Office application again.

Fix 6. Update Microsoft Office

Outdated Office versions can cause unexpected errors, including the 58tm1 error. Keeping Office updated ensures compatibility and stability.

• 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 7. Run network troubleshooter

A poor or unstable internet connection can cause authentication errors in Office applications.

• Type troubleshoot in Windows search and press Enter.
• Click on Troubleshoot settings from the search results.
• Go to Other troubleshooters.
• Scroll down and click on Network and Internet troubleshooter.
• Click on Run and wait for the process to complete.

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, specify the problem, and wait till the scan is finished.
• When done, apply all the recommendations.

Fix 8. Create a new Windows user profile

Corrupted user profiles can interfere with Office authentication, causing the 58tm1 error.

• Open Windows Settings.
• Go to Accounts then Family/Family & other users.
• Under Other users, click Add account/Add someone else to this PC.
• Follow the prompts to create a new user account. If you don't have Microsoft account details, you can choose I don't have this person's sign-in information followed by Add a user without a Microsoft account.
• Assign a username and password for the new account and complete the setup.
• Then go back to the Accounts section. Under Family/Family & other users, select the newly created account and click Change account type.
• Under Account type, pick Administrator and click OK.
• Log into the new account and try opening Microsoft Office applications.

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