What is a bad pool header and how do I fix it?

Bad pool header is a type of blue screen error which is quite common in various versions of the Windows operating system. In some Windows versions, this error is denoted by the error code called 0x00000019 (BAD POOL HEADER). If you are wondering about what causes a bad pool header, then several prominent solutions are stated in this article which you can follow to eliminate or get rid of this error.

This blue screen error of the BAD_POOL_HEADER is mostly related to some glitch or problems in memory allocation on your computer.

What is the Blue Screen error called Bad Pool Header?

If you are wondering what is a pool header windows 10 in Windows 10 and other versions, details about this blue screen error are given thoroughly in this post.

This blue screen error is caused while allocating the memory by the memory manager present in the Operating System. Basically, the memory manager creates a memory pool to allocate memory to various processes that run on the Windows operating system. The header is a header annotation for deciding the function’s assigned parameters and return values when this Memory Pool’s header gets some corrupted or unwanted information because of incorrect or incomplete process removal from the Memory Pool.

Most common reasons for the error are listed below:

• Due to defected RAM (Random Access Memory).
• Due to incorrect drivers or outdated versions of drivers that are not suitable for your computer.
• Due to an incompatible Anti-Malware software, which is creating problems in quarantining the threats and malicious processes.

How To Fix BAD POOL HEADER Error in all Windows

To see if the blue screen with the Bad Pool Header error message is solved automatically by the windows, you have to let the Windows operating system collect some error information and allow it to restart the computer automatically. If the Windows OS is not getting restarted and stuck at some random percentage, you have to open the system in the Safe Mode. You have to press F8 or some dedicated function key while restarting your computer to enter into the Safe Mode.

After the automatic restart or a Safe Mode Boot, if the Bad Pool Header error still persists, then you can follow one or more solutions from the methods listed below.

Also Read: Fix ERR_SSL_VERSION_INTERFERENCE Error

Solution 1: Update Your Computer’s Drivers

Some conflicting and outdated drivers installed on your computer may be the root cause of the blue screen error called Bad Pool Header. So you can try considering to update your computer’s suitable and supported device drivers.

To successfully update your computer’s drivers, you can finish that task either by inbuilt Device Manager or by using some third-party driver updating utility software.

To update the drivers using your computer’s inbuilt Device Manager,

• First, you have to open the Device Manager through the Start menu or from the Run Dialog Box provided by the Windows.
• Now you have to select the desired drivers manually and right-click on them to see the option like the Update Driver.
• To automatically set the updates of your device drivers, open the Control Panel -> All Control Panel Items -> Devices and Printers.
• Right-clicking on your computer device shown in the windows will open various options, select Device installation settings from them.

• Now opt for the Yes option to automatically download and install the manufacturers’ custom icons and apps that are available and suitable for your computer.

Solution 2: Inspect for defected or faulty RAM

Damaged or corrupted RAM is also a common reason for the Bad Pool Header error. Check if your RAM is physically damaged or some dust is present over the RAM. If only dusty RAM is the problem, you can simply clean the RAM’s dust and re-insert the RAM into your computer. But if your RAM has experienced some physical damage, then you have to buy a new compatible RAM for your device.

To check for any Logical errors in the RAM, you have to run the Windows Memory Diagnostic, which can be accessed through either the Start Menu or from the Run Dialog Box provided by the Windows.

1 ) In the Start menu search bar, you have to type “Windows Memory Diagnostic” and then press the enter key.

2 ) To open the Windows Memory Diagnostic from the Run Dialog box, press Windows+R keys simultaneously to open the Run Dialog box. Now type “mdsched.exe” in the Run Dialog menu and press the enter button.

3 ) Click on the recommended option called Restart now and check for problems to diagnose the RAM to check for any issues in the RAM.

Solution 3: Disconnect External Storage and Peripheral Devices

Sometimes this blue screen error is caused by some external devices or their drivers. So you can try disconnecting all the external devices except the input devices like mouse and keyboard. After disconnecting all the external peripheral devices and restarting your computer system, check if the error is eliminated or not.

If this blue screen error of the Bad Header no longer appears on your computer, try connecting your external devices one by one to check which driver is responsible for the error.

If you are wondering, what is a bad pool caller? Then also this solution of disconnecting the peripheral devices and restarting the computer might work to solve the Bad Pool Caller error.

Solution 4: Try disabling third-party Anti Malware and Anti Virus software

Some third-party anti-malware and anti-virus software create conflict in the memory pool while quarantining or deleting malicious and unwanted programs or processes. These conflicting antivirus and anti-malware software might be the reason for the Pool Header problem in windows. So to solve this issue, you can try disabling these programs temporarily or uninstalling them and then restart your pc.

Solution 5: Try uninstalling recently installed Program or Software

If you experience the error of Bad Pool Header just after installing a program or software, you should try uninstalling these programs temporarily to see if this blue screen error is gone or not.

We hope this article about How do I fix a bad pool header has solved all your queries.