CheckDiskGUI goes by this name because it represents the Graphical User Interface of the command line software chkdsk.exe, which is one of the best tools to check and repair disk errors. As you never know what problems may lurk deep in your computer’s hardware, it is recommendable to try this software. First of all, you need to let the tool search for any logical errors and system integrity issues. Afterwards, the program fixes the issues and copies data from bad sectors. A detailed log will inform users on everything there is to know about disk health and performed fixes. Clusters or folders can be checked or skipped, according to everybody’s needs.