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Checkdisk is a drive error checking tool used by the Windows OS standard. If a system error or bad sector (area where data cannot be recorded) is detected and an error is found, it may be possible to repair it with Checkdisk. This article explains how to execute the check disk and how to check the result using the event log.

For system restore, it may be possible to improve the symptom of the error occurring in the OS by returning the setting information to the restore point at the time of acquisition in advance. It is not a backup function for restoring personal files and folders that have been accidentally deleted. It is a function to restore Windows files, settings, and registry by returning to a specific point before.

Virtual machines on the sandbox can be run without being affected by viruses or unknown programs, such as when browsing software installation verifications or websites that are unreliable in terms of security. When the sandbox is stopped, the OS status such as website history, changed settings, and installed software is completely destroyed.

We recommend a maximum length of 63 bytes for the PC name and a maximum of 15 characters. This time, I will explain how to change the computer name setting in Windows 11 and how to check the PC name using the Windows terminal (PowerShell) as a supplement.

.NET Framework 3.5 may be required depending on the application used on the Windows 11 PC. By default (initial state), ".NET Framework 3.5" is not installed in the OS. This time, I will explain how to manually install .NET Framework version 3.5.

If the computer does not work due to a sudden restart, blue screen error, or freeze when using Windows 11, there may be a problem with the OS, disk, or memory. First of all, we recommend the standard Windows software "Windows Memory Diagnostic". This time, I will explain how to check the log result in the memory diagnosis and event viewer.