Various computer issues are appearing in daily computer use.
This post focuses on one of them: SECURITY_SYSTEM Bug Check 0x29.
Why does SECURITY_SYSTEM Bug Check 0x29 happen?
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How can you fix this issue?
Keep reading to get answers.
Here are some common methods for you to sort out the issue.

Do you know what is the DumpStack.log.tmp in your gear?
This post explains it to you and shows you the method to delete it.
Fix 1. test whether there are any newly released updates for Windows to make a run at fix this problem.

PressWin + Ito open Windows options.
ChooseUpdate & Security > Windows Update.
ClickCheck for updatesat the right pane.

If the computer detects any updates, follow the on-screen instructions to complete the rest steps.
you could execute the System File Checker to detect and repair corrupted or missing system files.
PressWin + Rto fire up the Run window.
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Typecmdinto the dialog and pressShift + Ctrl + Enterto run Command Prompt as administrator.
Typesfc /scannowand hitEnterto execute this command line.
Fix 3.
Check the Computers Memory
Issues that happen to your RAM may also lead to computer blue screen errors.
you’re able to perform a memory diagnostic to rule out this cause.
PressWin + Sand typeWindows Memory Diagnosticinto the search bar.
HitEnterto pop swing open the window.
In the prompt window, chooseRestart now and check for problems (recommended).
your system will reboot and check whether there are memory issues.
Afterward, you’ve got the option to get the test result.
Fix 4. attempt to uninstall the software to see if this problem is resolved.
Step 1. kick off the Control Panel on your setup and chooseUninstall a programunder the Programs option.
Browse the program list to find the latest installed app.
Select it and chooseUninstallfrom the top toolkit.
Fix 5.
Perform System Restore
This method can be effective but with conditions.
Search forCreate a restore pointusing Windows search to bring up the System Properties window.
Change to theSystem Protectiontab and clickSystem Restore.
In the prompt window, clickNextand choose the correct system restore point.
You should verify all the information in the following window and clickFinishto start the system restore point.
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This software is able to rescue files that are lost under various situations.
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Hope this post gives you some useful information in resolving this problem.