How To Fix RunDLL Error At Startup On Windows 10

There have been reports from Windows users getting an error message RunDLL error at Windows startup. When a RunDLL error occurs, a prompt message that usually appears is “The specified module could not be found” or another similar error message goes like this “the application did not start properly”. When RunDLL error message appears, it can slows down the performance of your computer or at times can freeze your computer. In here, we will talk about the solutions that you can try to fix RunDLL error at Windows startup.

Fix RunDLL Error At Startup On Windows 10

RunDLL error is usually caused by several factors such as DLL file deletion was not correctly done, missing DLL errors which was caused by shared DLL file being deleted after uninstallation of an application, shared DLL file infected by a virus and or was deleted, incorrect DLL entry to a corrupt DLL files. If you are experiencing RunDLL error at Windows Startup, try the following recommended solutions below to fix it.

Solution 1: Scan computer for virus

If the shared DLL files was deleted and or is infected with a virus it can cause RunDLL error message to occur during Windows startup. To fix it, you may need to scan your computer for viruses and threats and fixes it if there are any.

To do this:

  1. Press the Windows key or Start located at the lower left.

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  2. Click Settings, an icon that looks like a gear.

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  3. At Windows section, click Update and Security

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  4. Click Windows Security at left pane

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  5. Click Virus and Threat Protection at right pane.

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  6. For Windows Defender Antivirus, click on Scan options.

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  7. Click Full scan.

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  8. Click Scan Now. Windows will now scan for viruses and threat. Wait for the process to complete.

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  9. After scanning is complete and it could not identify any virus or threats, exit Windows Security

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After scanning computer for virus did not help fix error message at startup, proceed with the next solution below.

Solution 2: Replace corrupted file using Startup Repair

Since one of the causes for this problem to occur is a corrupt shared DLL file, you may need to replace the corrupted DLL file using the Startup repair.

To do this:

  1. At the search bar located at the lower left type “Recovery options”
  2. Double click on Recovery options result to open it.
  3. Under Advanced Startup, click Restart now tab
  4. Computer will launch to a new blue window for options
  5. Click Advanced options
  6. Click Startup Settings
  7. At new lists of settings, click Enable Debugging

Solution 3: Remove Startup RunDLL error manually

If the above solutions did not fix error problem, you may need to manually remove startup RunDLL error. This process involves removing the entry from Registry editor, then disabling scheduled task.

To do this:

  1. Press Windows key + R on your keyboard to open RUN dialog box.
  2. At RUN dialog box, type “regedit” and press Enter or click OK to open Registry Editor.
  3. In Registry Editor window, press CTRL + F key. This will open “Find” function.
  4. At Find window, type the name that was mentioned in the RunDLL error during startup. Searching can sometimes take a while, wait for it to complete.
  5. Click Next.
  6. Once the name is shown, right click on the registry entry and then click delete from the drop down menu.
  7. Exit Registry Editor.
  8. Press Windows key + R on your keyboard again to open RUN dialog box.
  9. At RUN dialog box, type “taskschd.msc” and press Enter or click OK to open Task Scheduler window.
  10. Inside Task Scheduler window, click Task Scheduler library to expand it.
  11. At Center pane, scroll through the list and locate the name mentioned on RunDLL error message. Right click on it and then click Disable from the drop down menu.
  12. Exit Task Scheduler window.
  13. Restart Computer

Once computer completely reboots, check if RunDLL error at startup still occurs.

Solution 4: Delete Temporary Files

There are instances when the temporary files that are stored in the App Data folder of your computer is preventing RunDLL to run properly at startup. To fix this, try to delete the temporary files and then check if RunDLL error at startup still occurs.

  1. Press Windows key + R on your keyboard to open RUN dialog box.
  2. At RUN dialog box, type “C:\Users\*Your Username*\AppData\Local\Temp” and press Enter or click OK. Change ‘your username” to the username of your computer.
  3. Press CTRL + A to highlight everything
  4. Right click on highlighted entries and then click Delete from the drop down menu.

Check if RunDLL error at startup still occurs.

After following the solutions mentioned, you will successfully fix RunDLL error at Startup on Windows 10. For more troubleshooting videos, visit our TheDroidGuy Youtube Channel.