Troubleshooting Startup.cpl: How To Guide (Free Download)

Last Updated: 11/25/2023
[Reading Time Required: 3.5 minutes]

Windows Control Panel Item files such as Startup.cpl utilize the CPL file extension. This file is considered a Win32 DLL (Windows Control Panel Item) file, and was first created by Mike Lin for the Startup Control Panel 2.8 software package.

The first version of Startup.cpl was released for the Windows 10 Operating System on 04/13/2006 inside Startup Control Panel 2.8. This is not only most recent release from Mike Lin, but it's the only version known in existence.

Continue reading below to discover detailed file information, CPL file troubleshooting, and free downloads of several versions of Startup.cpl.

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File Overview


General Information
File Name: Startup.cpl
File Extension: CPL file extension
File Type: Dynamic Link Library
Description: Windows Control Panel Item
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Program: Startup Control Panel 2.8
Developer: Mike Lin
Software: Startup Control Panel
Software Version: 2.8
File Details
Entry Point: 0x7961
Code Size: 45056


What are Startup.cpl Error Messages?


Dynamic Link Library Startup.cpl Errors

Startup.cpl is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like Startup.cpl, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. Startup Control Panel) could share the same Startup.cpl file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared CPL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when Startup.cpl is attempted to be loaded either when Startup Control Panel is starting up, or in some cases already running. Some of the most common Startup.cpl errors include:

Your Startup.cpl file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Startup Control Panel), or deleted by a malware infection. Furthermore, Startup.cpl file corruption could be caused from a power outage when loading Startup Control Panel, system crash while loading Startup.cpl, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix Startup.cpl Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your Startup.cpl issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the Startup.cpl error, please proceed to the Step 2 below.

Step 2: If recently installed Startup Control Panel (or related software), uninstall then try reinstalling Startup Control Panel software.

You can uninstall Startup Control Panel software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Startup Control Panel 2.8 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Startup Control Panel software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Startup Control Panel 2.8

Mike Lin

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many Startup.cpl error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the Startup.cpl error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your Startup.cpl File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate Startup.cpl file version. We maintain a comprehensive database of 100% malware-free Startup.cpl files for every applicable version of Startup Control Panel. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download Startup.cpl Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Startup Control Panel folder location:
    Windows 10: C:\Windows\SysWOW64\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve Startup.cpl problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download Startup.cpl Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying Startup.cpl to your appropriate Windows system directory. Mike Lin typically does not release Startup Control Panel CPL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing Startup.cpl and all other CPL files for Startup Control Panel. An incorrectly installed CPL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to Startup.cpl


CPL Files Related to Startup.cpl

File Name Description Software Program (Version) File Size (bytes) File Location
Startup.cpl Windows Control Panel Item Startup Control Panel 2.8 81920 C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D5...

Other Files Related to Startup.cpl

File Name Description Software Program (Version) File Size (bytes) File Location
setuperr.log Log Startup Control Panel 2.8 5179 C:\Windows\Panther\NewOs\Panther\
SA.DAT Game Data Startup Control Panel 2.8 6 C:\WINDOWS\Tasks\
setupapi.dev.log Log Startup Control Panel 2.8 684846 C:\Windows\inf\
api-ms-win-core-heap-l... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11112 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
diagerr.xml Extensible Markup Language Startup Control Panel 2.8 5718 C:\Windows\System32\Sysprep\Panther\


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