Error: (07/21/2021 01:13:47 AM) (Source: Ntfs) (EventID: 55) (User: NT AUTHORITY)
Description: A corruption was discovered in the file system structure on volume C:.
The exact nature of the corruption is unknown. The file system structures need to be scanned and fixed offline.
in the Search box and it should find Command Prompt
then click on the Run As Administrator option
chkdsk /r c:
in the command window and hit Enter. Hit
when it asks you if you want to schedule it for the next reboot.
The Disk check should start when the PC reboots.
If we are lucky this may fix the problem.
Let's also check the system files to make sure they haven't gotten messed up:
Download the attached fixlist.txt to the same location as FRST
Run FRST and press Fix
A fix log will be generated please post that
Reboot if the fix doesn't reboot it for you
Run FRST again but this time make sure Addition.txt is checked and hit Scan. Post both logs.