It's usually because the chkdsk has found a problem when it reports it cannot continue in read-only mode.
chkdsk implies c: so there's no need to use it in the cmd.
I would suggest that you create a system image then enter the cmd as chkdsk /r
This will take longer than just the file check as it will check for bad sectors on the HDD.
If it reports any KBs in bad sectors, then you will need to replace it then use the system image to restore with.
If you use Windows own Create a system image, then you will need a disk to boot you into the advanced boot options to select restore using a system image.
I assume you are using Win 10 ?
If so then you can create Win 10 install media after reading -
https://www.microsoft.com/en-gb/software-download/windows10You can change the boot order by tapping F12 as you switch on then use the cursor keys to select the media you are using.
Insert the install media and press enter.
I've found that when using an USB that it is best to insert that first before switching on.
If using a DVD you will be momentarily prompted to press any key to boot from CD/DVD.
Use the dropdown to change or confirm the time and currency then navigate to the Install screen.
Click on Repair your computer - Troubleshoot - Advanced options and select the image restore option