How to Fix StartUpCheckLibrary.dll Missing in Windows 10

  • Ankita 
  • Fix

Are you encountering StartUpCheckLibrary.dll error messages on your Windows 10 PC? On the off chance that indeed, at that point follow my methods mentioned below so as to fix this issue on your Windows 10 PC. Well, the files with .DLL extension are just some sort of programs that are coded by the developers in order to perform various functions in your Windows system.

In the event that in some way or another any of these. DLL files become degenerate/corrupted, you will not have the option to run any of the related applications and thus you will end up receiving irritating error messages.

Error code StartUpCheckLibrary.dll could not be found

Common Error messages related to StartUpCheckLibrary.dll

  • StartUpCheckLibrary.dll file is missing.
  • StartUpCheckLibrary.dll is not a valid Windows application.
  • StartUpCheckLibrary.dll has stopped working.
  • StartUpCheckLibrary.dll failed to load.
  • StartUpCheckLibrary.dll is not found.

What are the possible reasons behind StartUpCheckLibrary.dll missing error?

Well, there can be numerous reasons that can trigger the StartUpCheckLibrary.dll missing error. Some of them are as follows:

  • Quarantined file titled “StartUpCheckLibrary.dll” present in the Windows Security section.
  • Corrupt system files
  • Many times any recent windows update can also serve as the reason behind these errors.

In case you need to fix any errors related to the StartUpCheckLibrary.dll, then you must read my methods mentioned below in order to fix it.

How to Fix StartUpCheckLibrary.dll

Method 1: By running SFC scan using Command Prompt

By performing SFC, one can automatically fix the corrupted files, and hence you can perform it and can get rid of any errors related to StartUpCheckLibrary.dll.

To perform an SFC scan just follow the steps mentioned below.

  1. First press the combination of Windows + Q key to open the search user interface.
  2. Now type cmd so as to search for the Command Prompt application.
  3. Now select the option of Run as Administrator by right-clicking on the Command Prompt
  4. Now as soon as the Command Prompt application opens type or copy the command ‘sfc/scannow’’ and hit Enter.

Command sfc scannow

That is it currently let the sfc scan to complete, after the scan is done any issues identified with missing .DLL files will be automatically fixed consequently, so stand by as needs be. In case this method does not work for you, you can continue with the next method.

Method 2: By running DISM scan

Generally, sfc/scannow finds and fixes the bad or say corrupted system files of your Windows 10 system. Be that as it may, imagine a scenario where the Windows image gets corrupted. Well in such situation I would recommend to run DISM scan, DISM scan often fixes errors related to StartUpCheckLibrary.dll files.

Note: DISM scan functions in exactly the same way as the SFC scan.

To perform a DISM scan just follow the steps mentioned below.

  1. First press the combination of Windows + Q key to open the search user interface.
  2. Now type cmd so as to search for the Command Prompt application.
  3. Now select the option of Run as Administrator by right-clicking on the Command Prompt application
  4. Now in the Command prompt, type or enter the following command successively
  • dism.exe /online /cleanup-image /restorehealth
  • dism.exe /online /cleanup-image /startcomponentcleanup

Dism.exe online cleanup image

That’s it now sits tight for some time, as this requires a couple of moments to finish the scanning process. After the scanning process is complete, Restart your PC, soon after that, the issues with StartUpCheckLibrary.dll will be fixed automatically.

In case if you are still experiencing the issues, follow the next method.

Method 3: By ensuring whether Windows Security is quarantined the StartUpCheckLibrary

Microsoft Security is one such Microsoft Windows built-in software that consistently tracks any dangers/threats of Windows 10. Often it is seen that some of the .DLL files are also present under this segment which transforms into the possible purpose behind such an issue. So you should attempt to remove the list using the steps mentioned below.

  1. Well at first open the search user interface by pressing the Windows + Q simultaneously.
  2. Now search for Virus & Threat Protection, and open the application from the search results by clicking on the icon as shown below.

Virus and threat protection

3. Now under current threats, click on Protection history.

4. Here, search for the “Quarantine threats” that will include the file with .DLL extension.

5. Now in case, you find the StartUpCheckLibrary.DLL file in the list, just remove it from being quarantined.

In case you do not find the StartUpCheckLibrary.DLL file, go on with the next method.

Method 4: By rolling back the latest Windows Update

Take a stab at moving your PC back to a prior state. To do as such, you need to remove the newly installed updates following the underneath steps –

  1. First press the combination of Windows + I key to open the Settings application.
  2. Now open the Update & Security

Update & Security

3. Now click on View Update History present on the right side.

Windows update history on Windows 10

4. Now click on Uninstall Updates section and pick the as of latest installed updates.

View update history uninstall updates

5. Now click on the Uninstall option present at the top bar.

Uninstall option bar

6. Now when you have removed the most recent update, Reboot your PC in order to actualize the changes.

7. After your system starts, manually download and install the latest update from the official site (

That’s it after this I hope all your issues with the StartUpCheckLibrary.dll will be resolved.

Method 5: By manually downloading the .dll file

On the off chance that none of the above methods options fixes the StartUpCheckLibrary.dll missing issue, and the StartUpCheckLibrary.dll is as yet missing on your Windows 10 PC, you may manually download its new version. There are a few destinations that offer free DLL files to download, but I won’t  recommend you download the StartUpCheckLibrary.dll file from any third party website.

So this is about the Startupchecklibrary.dll errors on Windows 10. I made an honest effort to list down the total potential methods to fix the errors. Expectation the article works for you however in the event that you are having any queries or suggestions don’t hesitate to comment below.

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Founder and Writer @ WinOSBite. Future plan is to make this platform open to community to resolve and discuss various issues, usage related to Operating System.

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