How to fix
0xc0000139 BSOD error
on Windows

I got BSOD error 0xc0000139 which made my Windows laptop restart, which was very annoying because I was in the middle of something. Today, this repeated itself. I need some advise because the code doesn't tell me anything so I was wondering if you know and could help me.

Error 0xc0000139 is otherwise referred to as the Entry Point Not Found error. This normally occurs when critical problems are taking place within Windows and thereafter result in a Blue Screen of Death. Often, this type of error indicates that some sort of problem is at hand regarding missing or corrupted DLL files, which have quite an important role in application execution and system stability. It may point to driver issues or those with hardware elements like memory.

When does the 0xc0000139 error happen?

This BSOD error usually tends to appear during system booting, though it also can well appear during system update processes or after some incompatible software installations. That said, it is a common cause of system crash and instability by often rebooting several times without necessarily allowing the user to enter the desktop.

Another common scenario relates to cases when this error would be instantly displayed following some huge hardware or software change, such as Windows or device driver updates.

Causes of the 0xc0000139 BSOD error

The 0xc0000139 error is generated for several reasons. Among the most common ones are damaged or missing system files: DLLs are required for different applications and drivers to properly interact with the OS. Compatibility issues regarding drivers that become outdated, especially upon updating your system, can also be a cause.

This BSOD could also be caused by memory issues like failing RAM, besides disk corruption or malware attacks that alter vital system files or registry entries.

How to approach fixing the 0xc0000139 error

Generally speaking, in order to repair a 0xc0000139 BSOD, one needs to check for corrupted system files, driver updates, and memory and hardware problems. This may involve running a system scan for missing or corrupt DLLs, diagnosing memory, or even reinstalling problematic drivers. Hard drive errors should also be checked, as well as a scan for malware in general, to make sure this error does not happen again.

In case of more serious repairs, you are suggested to try [d1], a special tool intended for repair of different system issues, including corruption of files and absence of DLLs. This will be an effective method of resolution of underlying problems that cause BSOD errors like 0xc0000139.

Fix 1. Install all Windows updates

Windows updates can fix bugs and address other inconsistencies in the operating system. Thus, make sure you hate the latest updates installed.

• Type Updates in Windows search and press Enter.
• Here, click Check for updates.
• Wait till Windows downloads and installs all the files.
• If optional updates are available, install them as well.
• Reboot your system to allow the updates to be implemented correctly.

Fix 2. Scan for malware

Malware can corrupt system files necessary for booting, and that too could cause 0xc0000139 BSOD. Thus, a full scan for malware will eliminate any infected software running on your system.  You can use Microsoft Safety Scanner or the built-in Microsoft Defender:

• Type Windows Security in the Windows search bar and hit Enter.
• Select Virus & threat protection.
• Pick Scan options.
• Choose Microsoft Defender Offline scan and click Scan now.
• Your computer will immediately reboot and begin a deep scan.

Fix 3. Repair corrupted system files

Running SFC and DISM can fix corrupted system files as follows:

• Type in cmd in Windows search.
• Right-click on Command Prompt and select Run as administrator.
• In the User Account Control window, click Yes.
• In the Command Prompt window, paste the following command and hit Enter:
  sfc /scannow
• Next, use the following commands, pressing Enter each time:
  Dism /Online /Cleanup-Image /CheckHealth
  Dism /Online /Cleanup-Image /ScanHealth
  Dism /Online /Cleanup-Image /RestoreHealth
  (Note: if you get an error executing this last command, add /Source:C:\RepairSource\Windows /LimitAccess to it and try again).
• Reboot your computer.

Fix 4. Check the memory issues

Corrupted hard disk sectors can lead to system instability and BSODs like the 0xc0000139 error. Running the CHKDSK utility will check and repair any disk-related issues.

• Type Memory in Windows search and press Enter.
• Select Windows Memory Diagnostics result.
• Click Restart now and check for problems (recommended) (note that your PC will restart immediately).The
• A memory test will run during startup and display any detected errors - this might take a while.
• Replace or repair faulty RAM module(s) if errors are found.

Fix 5. Update system drivers

• Right-click on the Start button and select Device Manager from the menu.
• Expand the Display adapters or another section.
• Right-click on your device and pick Update driver.
• Pick Search automatically for drivers.
• If updates are found, allow them to install.
• Restart your computer after updating all necessary drivers.
• To make this process faster, use automatic tools such as [rev id="DriverFix"].

Fix 6. Run System Restore

If the error appeared after a recent update or installation, performing a system restore can revert your system to a stable state before the issue occurs.

• Type in Create a restore point in Windows search and hit Enter.
• In the System Protection tab, pick System restore.
• Click Next.
• Click Show more restore points (if available).
• Pick the time before the problem occurred and click Next.
• Your computer will reboot.

Fix 7. Repair-install Windows

If none of the solutions work, try reinstalling Windows as follows:

• Download Windows 11 Installation media from the official Microsoft website. [Windows 10 version]
• Double-click the MediaCreationTool.exe file to launch it.
• When UAC shows up, click Yes.
• Accept license terms.
• Select Language and Edition (make sure it matches the one you have currently installed) or simply mark the Use the recommended options for this PC and click Next).
• Select the ISO file and click Next.
• Pick the location for your ISO file and wait till all the needed files are downloaded, then click Finish.

Repair-install Windows

• Go to the location of your ISO file, right-click, and select Mount.
• Run the setup.exe file.
• You will be asked whether you want to update Windows to the latest version - pick Not right now and click Next.
• Accept Terms and Windows will make several checks to ensure everything is fine.
• Click Change what to keep.
• Here, you have several options: Keep your files and apps, Keep files only, or Keep nothing - choose what suits you the best. Click Next.
• Finally, click Install to begin the installation process.