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#An error occurred while applying security settings install
#An error occurred while applying security settings windows 10
#An error occurred while applying security settings software

For the most part, though, the process is similar enough across machines that you should be able to use the instructions as a guide and, where your computer differs, still identify the equivalent menu or label in your own system. That's because Windows machines vary so much that it's not feasible to cover all the possible ways to enable TPM and Secure Boot across every device.

Keep in mind that these instructions are written as broadly as possible.

If you are missing the hardware or firmware necessary for Windows 11, the instructions below won't help - you'll need to buy a new device to run the OS.

Microsoft confirmed there are four types of problems that might have given you a "This PC can't run Windows 11" error message if you used its PC Health Check tool.

This should help in cases where folks assumed CPU compat issues were TPM related /eZLTZMOdjT- David Weston (DWIZZZLE) June 25, 2021 It now provides more detailed info on requirements not met. We just made updates to the Windows 11 PC Health Check App. Now that you know about the secure technologies you'll be using, there are a few things you should keep in mind before you dive into fixing the issue on your own. TPM and Secure Boot could be the key to getting your device to run Windows 11. Secure Boot also plays a part in preventing Windows pirating. So, if you wanted to experiment with Linux operating systems, for instance, Secure Boot could stop you.

#An error occurred while applying security settings install

On the other hand, it can prevent you from being able to install a second operating system on your machine, giving you two to choose from when you first start up your computer. On the one hand, it can prevent certain classes of invasive malware from taking over your machine and is a core defense against ransomware. It's both a good and bad thing for a Windows machine.

#An error occurred while applying security settings software

Secure Boot is a feature in your computer's software that controls which operating systems are allowed to be active on the machine. In Russia, TPM use is only allowed with permission from the government.

China uses its state-regulated alternative, TCM. TPM-equipped machines generally aren't shipped in countries where western encryption is banned. However, it also allows remote attestation (authorized parties can see when you make certain changes to your computer) and may restrict the kinds of software your machine is allowed to run. An updated and enabled TPM is a strong preventative against firmware attacks, which have risen steadily and drawn Microsoft's attention. TPMs are controversial among security specialists and governments. TPM 2.0 is the most recent version required.

#An error occurred while applying security settings windows 10

Previously, Microsoft required original equipment manufacturers of all models built to run Windows 10 to ensure that the machines were TPM 1.2-capable. A TPM has been a mandatory piece of tech on Windows machines since 2016, so machines older than this may not have the necessary hardware or firmware. Some TPMs are virtual or firmware varieties but, as a chip, a TPM is attached to your motherboard during the build and designed to enhance hardware security during computer startup. TPM microchips are small devices known as secure cryptoprocessors.