How to fix the RunDLL error : There was a problem at startup

  • Rundll error occurs when running on XP, Windows, or Vista systems.
  • Malware placed a DLL file there and added an entry to run it so that the DLL runs every time it is started.
  • The message “specified module not found” usually means that your antivirus software has already taken care of the problematic module by deleting or quarantining it.
  • There are many simple solutions to solve this problem.
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When Windows startup fails due to a RunDLL error, it’s usually because an uninstalled program’s registry key and its scheduled task survive uninstalls.

In order to avoid cybercrime, identity thefts, and other more serious problems, you should fix rundll error Windows 8 as soon as possible.

There are several different programs on your computer that share code and data, including Rundll.exe, which is a system process directly related to your Windows operating system. Rundll 32 is the latest version of Rundll. By reusing the same code or files for many different functions from several different programs, they improve your operating system’s speed and memory efficiency.

Rundll There Was A Problem Starting The Parameter Is Incorrect

Lately Ive been getting these RUN dll errors and they are pretty consistent. When it appears it forces the application I am using to minimize immediately. Its really annoying and is interfering with my online class, whats worse is Im scared that this is a hardware problem and I cant risk the time nor the finances to fix my laptop. I am on WIN 10. Below are the screenshots of the error and I tried using DISM to maybe fix the corrupted files (if there are any). I am just a beginner at windows, please help! Thank you in advance.

It is possible to receive an error message saying “Run DLL There was a problem starting…”. When Windows attempts to run a service or drive but is unable to do so due to antivirus deleting the autorun.inf file, this error usually occurs. You can solve this error using many simple solutions. If you follow these simple steps, you will be able to solve the error in no time.

Run Dll

In Windows, RunDLL manages loading and executing dynamic link library (DLL) modules. This process enhances the response time of the operating system and the memory management.


What causes the RunDLL error “There was a start problem”?

What causes the RunDLL error "There was a start problem"?

Despite the fact that the folder path and DLL name appear legitimate, the malware has installed a DLL file there, along with an entry to run it, so that when the program is opened, the DLL always runs. You simply have to remove the problematic module from the autorun or scheduled task, wherever it is loaded, if you see the message “specified module not found”.

Rundll File

The following methods can help you fix DLL errors by retrieving the missing DLL file. Try uninstalling and reinstalling the programs that report DLL errors. If third-party software is causing DLL errors, uninstall and reinstall it. Click on “Repair” in some programs to fix DLL errors.

If you encounter a Rundll error, you can fix it by downloading a copy of the Rundll file from the internet. This file is usually available to download online. Once you download the Rundll, you can replace any missing or corrupted ones by downloading the new ones and then restarting your computer to diagnose and fix the Rundll error.

This Rundll error occurs when operating systems such as Windows XP, Vista, or Windows 7 are in use.

  1. Files were deleted incorrectly.
  2. In the process of uninstalling an application, you delete a generic DLL file that can cause missing DLL errors.
  3. Viruses or Trojan horses delete or corrupt a shared DLL file.
  4. Registry entry for a DLL that is not valid or invalid.
  5. Files with corrupted DLLs.


Fix RunDLL error “There was a problem at startup”

Updated: February 2024

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Fix RunDLL error "There was a problem at startup"

Run a full analysis of Windows Defender

  1. Once you have clicked on Windows, click again
  2. Search for “Security”.
  3. Make sure Windows Security is selected
  4. By selecting Virus and Threat Protection – Scan Options – Full Scan – Scan Now, you will be taken to the full scan page.

Remove the background container task

  1. The Run dialog box can be opened by pressing Windows + R.
  2. Press Enter to run taskschd.MSC.
  3. The Task Scheduler Library can be accessed by clicking here.
  4. Select Uninstall from the right-click context menu of the background container task.

Remove autorun.inf with the command

  1. Once you have clicked on Windows, click again
  2. Search for cmd.
  3. The extended command prompt will open when you select “Run as administrator”.
  4. For root directory access, enter CD X:
    The drive letter should be replaced with X.
  5. Forcibly delete the autorun.inf file by entering the following commands and pressing Enter after each:
    Add an attribute to the file X:autorun.inf with the following options: -r -s -h
    Inf X:autorun.del
  6. Restart your computer after closing CMD’s extended prompt.

Remove autorun.inf via a registry key

  1. The Run dialog box will appear when you press Windows + R.
  2. Click Yes if prompted to allow administrator access to the registry editor by typing Regedit and pressing Enter.
  3. HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun can be found here.
  4. If there are traces of PuP (Potentially Unwanted Programs) or malware remnants on any keys in the right pane, right-click on them and select Remove.
  5. The next location is the same as step 3:
  6. HKCUSoftwareMicrosoftWindowsCurrentVersionRunOnce.
  7. MicrosoftWindowsCurrentVersionRunnable in HKEY_LOCAL_MACHINE
  8. MicrosoftWindowsCurrentVersionRunnable in HKEY_LOCAL_MACHINE
  9. Your computer should be restarted after you close the registry editor.

Running SFC

  1. Once you have pressed Windows, release it
  2. Search for cmd.
  3. The advanced command prompt will be opened when you choose ‘Run as administrator’.
  4. Press Enter to scan now with SFC.


Try to repair any bad sectors using the automatic CHKDSK scan.

  1. Once you have pressed Windows, release it
  2. Search for cmd.
  3. The extended command prompt will open when you select “Run as administrator”.
  4. Press Enter after typing chkdsk X: /r to check the specified drive.


RECOMMENATION: Click here for help with Windows errors.

Frequently Asked Questions

  1. Reinstall the programs that are reporting DLL errors.
  2. Fix the Rundll error by downloading a copy of the Rundll file from the Internet.
  3. If you have a network computer with the same operating system, try finding and copying the same Rundll file to that computer to see if you can fix the error.

  1. Check your computer for malware.
  2. Remove the background container task.
  3. Stop the associated .dll process.
  4. Protect your online privacy with a VPN client.
  5. Data recovery tools can prevent permanent file loss.

  1. Right-click the downloaded Autoruns.exe file and select Run as administrator.
  2. Enter winscomrssrv in the filter field.
  3. Look at the result. All paths to the "File not found" image can be safely removed.
  4. Do the same for the startup-check library. All results of `File not found' can be safely deleted.

  1. Make sure you have enough memory on your device.
  2. Run the Windows update several times.
  3. Check for third-party drivers and download any updates.
  4. Disable any additional hardware.
  5. Check for errors in the device manager.
  6. Remove third-party security software.
  7. Recover hard drive errors.
  8. Perform a clean restart in Windows.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.