What to do when Userdata.dll is missing in Windows 10

What to do when Userdata.dll is missing in Windows 10

Here we can see, “What to do when Userdata.dll is missing in Windows 10”

  • Faulty registry files or obsolete drivers frequently cause issues with Userdata.dll.
  • Ensure your drivers are up to date if the userdata.dll file is missing in Windows 10.
  • Using a third-party utility that addresses numerous DLL issues is the most straightforward answer to this problem.
  • If your computer’s userdata.dll file is missing, you can try downloading and registering it again.

Some software requires the use of a shared DLL (Dynamic Link Library) system file called Userdata.

A userdata.dll error notice appears for some users everytime they start Windows or try to access a specific program manually.

This application failed to start because userdata.dll was not found, according to the userdata.dll error message. This issue may be resolved by reinstalling the application.

According to another error message, the program can’t start because userdata.dll is missing from your computer. To resolve this issue, try reinstalling the software.

This error message appears when the userdata.dll file is either missing or corrupted. As a result, software that requires the user-data file cannot access it.

Other DLL files may produce the same error message, and the solutions are similar. Continue reading to learn how to resolve the error message “userdata.dll is missing” in Windows 10.

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How do I fix userdata.dll problems in Windows 10?

1. Make use of third-party software

There are numerous third-party programs available that claim to fix or replace missing or broken DLLs, and the majority of them deliver on their promises.

Your PC will be as good as new after this process is completed, and you will no longer have to suffer from BSoD problems, slow reaction times, or other similar difficulties.

2. Run a System File Checker scan

    1. In the search bar on the home screen, type command prompt.
    2. To open Command Prompt, right-click it and choose Run as administrator.
    3. After that, type the following command and hit Enter:
        • DISM.exe/Online/Cleanup-image/Restorehealth
    4. Then type sfc /scannow into the Command Prompt and hit Enter.
    5. If Windows Resource Protection fails to fix corrupted files, restart your computer.

3. Update device drivers

According to several users, updating device drivers fixed the userdata issue.

Error: dll is missing. The userdata.dll error may be resolved by upgrading outdated or faulty drivers.

However, it’s difficult to predict which drivers will need to be updated. Your best bet is to install driver-scanning software on Windows 10.

4. Scan the registry with CCleaner

    1. Wait for the setup to complete before downloading CCleaner for free.
    2. To open the registry cleaner, open CCleaner and choose Registry on the left side of the window.
    3. Select all of the registry checkboxes, then click Scan for Issues.
    4. To fix the issues you’ve selected, click the Fix Selected Issues button.
    5. Next, choose Yes if you’d want to save a backup file (though you’re unlikely to need it).
    6. To repair the registry, click the Fix All Selected Issues option.

5. Remove programs from the Windows Startup

    1. Pree Win + X and selectTask Managerfrom the menu.
    2. Select the Start-up tab from the drop-down menu.
    3. Then, by selecting them and clicking Disable, you can disable them from starting up with Windows.

As a result, a startup program may generate an error message. Another possible solution for the userdata.dll error is to remove the software from the starting system.

6. Rollback Windows with System Restore

    1. Select Run from the Start menu by right-clicking it.
    2. To open the System Restore window, type rstrui into the Run’s Open text box and click OK.
    3. Select Choose a different restore point as an alternative to the recommended restore.
    4. To see the list of restore points, press the Next button.
    5. Click the Show additional restore points button to see the entire list of restore points.
    6. To roll back Windows, select a restore point.
    7. When you reinstall Windows, any programs that were installed after a specific restore point are removed.
    8. Press the Scan for impacted programs button to check what software is destroyed for a certain restoration point.
    9. To revert to Windows, click Next and Finish.

In this situation, choose a restore point that restores Windows to a time before the DLL error notice appeared on your laptop or desktop.

7. Reinstall the software

    1. As before, start the program.
    2. Click OK after typing appwiz.cpl into the box.
    3. This will launch Control Panel, where you must choose the program that is causing the DLL issue and then click the Uninstall button.
    4. To confirm, press the Yes button.
    5. After removing the software, restart Windows.
    6. Then reinstall the most recent software version. The most recent version of the software is usually available for download on the software’s website.

8. Get a new userdata.dll file

    1. In your browser, go to the official DLL files page.
    2. To save the userdata.dll ZIP file, click Download.
    3. In File Explorer, open the userdata ZIP file.
    4. Select “Extract all” from the drop-down menu.
    5. Select a folder path to extract the ZIP file from the Browse menu, then click the Extract button.
    6. In File Explorer, navigate to the extracted userdata.dll folder.
    7. Click the Copy to button after selecting the userdata.dll file.
    8. Choose to place it in the System32 folder.
    9. Then, in the folder you extracted it to, select the original userdata.dll file and press the Delete button.
    10. Reboot your computer or laptop.
    11. You may need to register the DLL file as well. To do so, hit the Windows key + X hotkey and choose Command Prompt from the drop-down menu (Admin).
    12. In the Command Prompt window, type regsvr32 userdata.dll and hit Enter.
    13. On the Start menu, select Restart.

9. Add DLL Fixer software to Windows

DLL faults can be fixed with various DLL fixer applications for Windows. Some of the applications that search for and fix corrupted DLL files are DLL Suite, DLL Tool, DLL Files Fixer, and Free DLL Fixer.

They also contain databases from which you can obtain replacement DLL files. As a result, those utilities may be helpful to in repairing the userdata. Error: dll is missing

By selecting the Start Download button on this page, you may try out an unregistered version of DLL Suite.


I hope you found this guide useful. If you’ve got any questions or comments, don’t hesitate to use the shape below.

User Questions

1. What should you do if a needed DLL is missing?

Restart your computer: Choose Restart by pressing Alt + F4. Try launching battlenet after your PC has restarted, and it should start operating. Drivers must be updated: Check if any of your drivers need to be updated. If they do, restart your computer and try using Battlenet again.

2. Where do Windows 10’s missing DLL files go?

    1. At the DLL Dumpsite, look for your missing.dll file.
    2. Download the file and save it to the following location: “C:WindowsSystem32”
    3. Enter “regsvr32 name of dll. dll” in the “regsvr32 name of dll. dll” field in the “regsvr32 name of dll. dll” field in the “re

3. What is the best way to tell whether a DLL is missing?

You can also use the Windows system file checker to determine the cause of the missing DLL files and resolve the issue. Press the WIN+R keys on your keyboard to launch your system commander and type “cmd.” Enter “sfc /scannow” and wait a few minutes for it to complete.

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