The built-in Windows utility. Run chkdsk /f /r in an elevated Command Prompt to scan and repair file system errors and bad sectors. To help narrow down the exact cause, let me know:
The DOS environment cannot read the file system (like NTFS) where the program is stored. Step-by-Step Solutions to Fix the Error Hdd Regenerator Bad Command Or Filename
Look for a folder named something like HDDREG , PROGRAMS , or HR . The built-in Windows utility
You are in the C:\> prompt, but the program is located in a different folder or on a different drive letter (like D: or X: ). Step-by-Step Solutions to Fix the Error Look for
You boot your system into MS-DOS or a FreeDOS environment to repair your hard drive. You type the command to launch HDD Regenerator, hit Enter, and instead of a scanning interface, you get a frustrating denial:
: If you are manually typing the command, a simple typo or missing quotes (if the filename has spaces) will trigger this message. How to Fix It
At the command prompt, type dir to list files. If hddreg.exe is listed, try typing hddreg.exe directly. If it is in a subdirectory, navigate to it using cd [directory_name] .