How to Fix “Something Went Wrong 1200” Error? [6 Fixes that ACTUALLY Work]

Network Errors

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The “Something went wrong 1200” error in Windows is a common login error related to the Microsoft accounts for different apps. It can occur in Outlook, Teams, or OneDrive, preventing your access to the key services and data stored in these apps.

But what causes this error? How to fix the Microsoft Something Went Wrong 1200 error in Windows? 

In this guide, we will discuss the possible causes for this error and also reveal some ways to troubleshoot the error. So read on to resolve this issue and regain your access to these crucial Microsoft apps.

TRY IT NOW: 6 Quick Fixes for Microsoft Windows “Something Went Wrong 1200” Error 

  • Update Your Windows: Updating your Windows brings performance improvements and bug fixes that may fix the “Something went wrong 1200” error.
  • Use the Built-In Network and Store App Troubleshooters: These tools will automatically identify and fix any issues with the network or the Microsoft Store apps.
  • Clear the Login Credentials Cache: Clear the login credentials cache using the Credential Manager to ensure there are no outdated or incorrect credentials stored.

Read on to find detailed steps on these, and some more advanced ways to fix the error.

How to Fix Microsoft Something Went Wrong 1200 Error in Windows

8 Reasons Why the
“Something Went Wrong 1200” Error Occurs

The “Something went wrong 1200” error in Microsoft apps usually occurs when there are network or authentication issues. These issues can be triggered by various underlying reasons, such as:

  • Incorrect date and time settings
  • Misconfigured VPN or proxy settings
  • Incorrect device settings
  • Server problems
  • Slow or no internet
  • Outdated application
  • Corrupt installation files
  • Conflicts with the security software

These reasons can cause other networking issues like when your MS apps cannot connect to the internet, or “The Wi-Fi or network you are using may require you to visit its login page”.

Fortunately, it is a minor issue that can be resolved by deploying some quick and easy fixes. Continue reading to discover what they are.

How to Fix the Microsoft “Something Went Wrong 1200” Error
in Windows? [3 Beginner-Friendly Ways]

Before trying any of the fixes mentioned below, make sure to check if your internet is working fine and that the date and time settings of your PC are correct. 

If you’re still getting the error, follow these fixes:

Method 1: Install Windows Updates

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Installing Windows updates is one of the quickest and easiest ways to fix the “something went wrong 1200” error.

Here’s how to update your Windows: 

  • Go to ‘Windows Search’ and type and enter “Updates”
  • Check if there are any updates available in the resulting Window. If there are, click on “Install all”.
Windows update - Download and install all
  • If there are no updates, select the “check for updates” option.
Click Check for Updates
  • Make sure to install any “optional updates”, if available. 
View optional updates then Driver updates
  • Once the updates are installed, restart your PC.

Method 2: Remove Cached Login Credentials

Sometimes, login credentials stored in your PC’s cache can cause login errors due to incorrect or outdated data. Clear the cache to fix the “Something went wrong 1200” error.

  • Go to ‘Windows Search’ and type and enter “Credential Manager”.
Type Credential Manager
  • Click on “Windows Credentials” and find and remove any credentials related to Microsoft apps.
Remove any credentials related to Microsoft apps
  • Restart your PC and try to log into the Microsoft app again.

Method 3: Use the Windows Store Apps and Network Troubleshooters

Your Windows comes with a built-in troubleshooter to automatically identify and fix any issues related to your PC, including network and Store apps.

Here’s how to run the Windows Store Apps and Network Troubleshooters:

  • In ‘Windows Search’, type and enter “Troubleshoot”.
Type troubleshoot
  • Select “Additional troubleshooters”/”Other troubleshooters”.
Additional Troubleshooters
  • Scroll down and click on “Windows Store apps“.
  • Select “Run”/”Run the troubleshooter”.
Run Windows Store Apps Troubleshooter
  • Wait until your Windows is updated and then apply the recommended resolutions.
  • Repeat steps 1 and 2 to find and run the “Network & Internet troubleshooter”.
Choose Network Troubleshooter
  • Once done, restart your PC.

Fixing the “Something Went Wrong 1200” Error [3 Advanced Ways]

If the above-mentioned fixes don’t resolve the error, you can try some advanced methods like clearing your browser’s cache, using your PC in Clean Boot, or resetting the affected app.

Method 1: Clear Your Browser’s Cache

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Your browser’s cache can also sometimes cause login errors due to outdated information. Clear it to fix the issue:

For Google Chrome:

  • Launch “Google Chrome” and go to “Menu” > “Settings”.
Click Chrome Settings
  • Select “Clear browsing data” under Privacy and Security.
Privacy and Settings, Clear browsing data
  • Under the “time range” option, click on “All time”.
  • Now select “Browsing history”, “Cookies and other site data”, and “Cached images and files“.
  • Finally, click on “Clear data”.
Google Clear data

For Microsoft Edge:

  • Launch “Edge” and click on the three dots to open the menu.
  • Go to “Settings” > “Privacy, search, and services”.
Privacy, Search and Services of Edge
  • Now scroll down on the right side to locate the “Clear browsing data “section.
  • Select “Choose what to clear”.
  • Under the “time range” option, click on “All time”.
  • Now select all the sections and hit “Clear now”.
Clear browsing data in Edge

For Mozilla Firefox:

  • Launch “Firefox” and click on the three horizontal lines to open the menu.
  • Go to “Settings” > “Privacy & Security”.
Privacy & Security of Firefox
  • Find the “Cookies and Site Data” section by scrolling down. 
  • Select “Clear Data”.
  • Select the checkboxes for “Cached Web Content” and “Cookies and Site Data”.
  • Hit the “Clear” option.
Clear Data for Firefox

Method 2: Clean Boot Your OS

Sometimes, the login errors in Microsoft errors may be caused by conflicting third-party apps. You can identify the conflicting apps by using your PC in the clean boot state:

  • On your PC, press ‘Win + R’ and type “msconfig”.
Type msconfig
  • Now press ‘Enter’ and go to the “Services” tab.
  • Next, select the “Hide all Microsoft services” checkbox and click on “Disable all”.
Hide all Microsoft services
  • Now go to the “Startup” tab.
  • Select “Open Task Manager”.
Open Task Manager
  • Next, right-click on every non-Windows entry and click on “Disable”.
  • Now close the “Task Manager”.
  • Go to the “Boot” tab and select the “Safe Boot” option.
  • Finally, hit “Reboot”.
Safe Boot and Minimal

If disabling the services resolves the issue, enable each service one by one to single out the conflicting app. 

Method 3: Repair or Reset the Microsoft App

If nothing else seems to work, try repairing or resetting the problematic Microsoft app:

  • Go to “Start” > “Settings” > “Apps & features”.
  • Find the affected Microsoft app.
  • Click on the three dots and go to “Advanced options”.
Mail and calendar advanced options
  • Select “Terminate” to quit the app.
  • Select “Repair” under the “Reset” section and check if repairing it resolves the issue.
Click Repair
  • If the error persists, select the “Reset option.
Click Reset

Resetting the app will fix any issues within it. 

That’s it! By now you should’ve fully resolved the error!

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About the author
Sage-Michael Brown
Sage-Michael Brown - Author

Sage is another team member and writer at Windows Fix Hub.

His experience includes computer repair, IT consulting, computer networking, data recovery, and home networking.

These qualities enables him to provide top-notch information for our readers and guide them through pretty much any issue.