• The ERROR_TOO_MANY_POSTS error is identified by too many messages created in a semaphore message.
  • There can be many reasons for this, but most of them point to your antivirus.
  • Please refer to our dedicated troubleshooting section for other Windows 10 bugs.
  • Visit our Windows 10 Hub for the most complete information about this operating system.

Too Many Posts Were Made To A Semaphore

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System errors can affect almost any operating system and one of those errors is ERROR_TOO_MANY_POSTS.

You can easily spot this error by having too many messages in a semaphore message, and in this guide we’ll show you how to fix it.


How can I fix the ERROR_TOO_MANY_POSTS error?

1. Disable or remove your antivirus

Too Many Posts Were Made To A Semaphore

Your antivirus program can cause this kind of problem. If you can’t find the security feature causing the problem, you can try disabling your antivirus completely.

Keep in mind that disabling your antivirus won’t make your system vulnerable because Windows 10 comes with Windows Defender that works like a standard antivirus.

If disabling your antivirus program doesn’t solve the problem, consider uninstalling your antivirus software. Keep in mind that antivirus programs tend to leave certain files and registry entries even after they’ve been removed.

These files can also interfere with your system, so we recommend using a special removal tool.

We highly recommend downloading and installing IObit Uninstaller as it is easy to work with and will uninstall your old antivirus in seconds without leaving a trace.

If uninstalling the antivirus fixes the problem, try switching to a different antivirus program and see if the problem recurs.

For that task, we recommend VIPRE Antivirus Plus, a very powerful security solution with an easy-to-use user interface that is available at a reasonable price.

We should mention its most important feature, Advanced Active Protection which uses machine learning to block even the most dangerous threats like polymorphic malware (they change their signature to avoid detection).


2. Install the latest Windows updates

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  1. Press Windows key + I to open the Settings app.
  2. Go to the Update & Security section and click the Check for Updates button.

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Windows will now check if your system is up to date. If an update is available, Windows will automatically download it in the background. After updating the system to the latest version, check if the error message still appears.

Note: Windows 10 is a great operating system, but it has some bugs and compatibility issues. Sometimes system errors can cause this error to appear when running specific applications.

To ensure that your PC is error-free, it is always a good idea to keep your Windows up to date. The update process is simplified in Windows 10 and all important updates are automatically downloaded in the background.


3. Perform a Clean boot

  1. Press Windows Key + R, type msconfig and press Enter or click OK

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2. Go to the Services tab and check the Hide all Microsoft services box. Now click on the                   Disable All button.

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3. Navigate to the Startup tab and click Open Task Manager.

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4. Select the first item in the list and click the Disable button. Repeat this step for all entries                 in  the list to deactivate them.

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5. After you have disabled all startup applications, close the Task Manager. Now go back to                the System Settings window and click Apply and OK to save the changes.

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6. Restart your PC to apply the changes.

Note: After restarting your PC, check if the problem persists. If not, then it is certain that one of the startup applications or services was causing this problem.

To find the problem app, you need to enable the apps and services one by one or in groups. Please note that you will need to restart your PC after enabling each set of applications to apply the changes.

Once you find the problematic app, you can keep it disabled, update it or remove it from your PC.


4. Keep your apps updated

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We have already mentioned that you should keep Windows up to date if you want to make sure that your system is error-free.

Since third-party applications can cause this problem, it is important to keep them up to date to reduce the chance of errors.

If the problem occurs when you try to run a specific application, try updating that application to the latest version and see if that fixes the problem.

Aside from updating your apps, you can also try reinstalling the problem app as a possible solution.


5. Remove any recently installed applications

5.1 Use the Apps section

  1. Open the Settings app.
  2. Go to the Applications section.
  3. Set Sort by to Installation date. Select the application you want to uninstall and click the Uninstall button. Follow the on-screen instructions to uninstall the application.

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4. Repeat this step for multiple recently installed apps.

5.2 Use Control Panel to remove the application

  1. Find the dashboard and select it from the results.

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2. Select Programs and Features.

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3. Click Installed on.

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4. To uninstall an application, double-click it and follow the on-screen instructions. Repeat               this step for multiple recently installed apps.
Note: Both methods are the same and both will remove third party applications from your PC. Note that the first method also allows you to view and uninstall universal apps.

Universal apps are not related to this problem so there is no need to uninstall them to fix the problem.


6. Perform a System Restore

  1. Search to create a restore point and select the function from the results.

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2 .Click the System Restore button.

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3. Select Choose a different restore point and click Next.

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4. Check the Show more restore points option and select the desired restore point. Click                the Next button to continue.

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5. Follow the on-screen instructions to complete the recovery.
Once your PC is restored, the problem should be fixed and everything should work normally.

Note: The System Restore feature allows you to revert your PC to an earlier state and undo any recent changes.

Keep in mind that this process can delete all recently saved files, so if you have any important files, make sure to back them up beforehand.


7. Reset Windows 10

  1. Open the Start menu and click the power button. Hold down the Shift key on your keyboard and choose Restart from the menu.

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2 .You will see a list of options. Select Troubleshoot, restart this PC and click Remove                      everything. You may be prompted to insert your installation media, so make sure you                  have  it handy.
3. Select your version of Windows and choose Only the drive where Windows is                         installed and  select Remove my files.
4.You will now see a list of the changes the reset will make. Click Reset to continue.
5.Follow the on-screen instructions to complete the process.

Note: This is a drastic solution and it will delete all files and apps from your system drive so make sure to create a backup. You may also need a Windows 10 installation media to complete this process.

After you reset Windows 10, you need to install all your apps and move files from the backup. This solution will delete all files from the system disk, so use it only if other solutions do not solve the problem.

Too many messages have been placed in a semaphore message and the error ERROR_TOO_MANY_POSTS can cause problems on your PC and prevent you from running certain applications. However, we hope you were able to resolve these issues with one of our solutions.

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