There are a number of reasons why a Kernel Security Check Failure BSOD error could be happening on your Windows 10 or 11 PC. For example, it can be caused by device drivers that are corrupted or outdated, RAM that is not working properly, system files that have been damaged, errors in the hard drive, or infections with malware. Besides being the result of these, it may even be the case that the error was triggered by a software incompatibility, an unsuccessful Windows update, or a hardware conflict. Overclocking your components and abrupt power interruptions are just some of the factors that can cause the system to become unstable and, as a result, this error will be displayed. Essentially, what the BSOD is doing is that it is showing up when Windows sees that there are corrupted kernel panicking data structures which are very critical, and this is Windows' way of safeguarding the operating system from getting more damaged. Very often, to be able to fix the problem once and for all, it is required to carry out the system diagnostics and check the event logs to find out the exact cause.