Microsoft Windows [Version 6.3.9600] (c) 2013 Microsoft Corporation. Alle rechten voorbehouden. C:\Users\Olaf De Wit\Desktop>CD /D C:\ C:\>chkdsk C: The type of the file system is NTFS. The volume is in use by another process. Chkdsk might report errors when no corruption is present. Volume label is OS. WARNING! F parameter not specified. Running CHKDSK in read-only mode. Stage 1: Examining basic file system structure ... Progress: 364032 of 364032 done; Stage: 100%; Total: 35%; ETA: 0:00:35 .. 364032 file records processed. File verification completed. Progress: 8587 of 8587 done; Stage: 100%; Total: 22%; ETA: 0:01:04 ... 8587 large file records processed. Progress: 0 of 0 done; Stage: 99%; Total: 22%; ETA: 0:01:04 0 bad file records processed. Stage 2: Examining file name linkage ... Progress: 398297 of 493800 done; Stage: 80%; Total: 69%; ETA: 0:00:27 ... Index entry safebrowsing in index $I30 of file 133242 is incorrect. Index entry SAFEBR~2 in index $I30 of file 133242 is incorrect. Progress: 493800 of 493800 done; Stage: 100%; Total: 79%; ETA: 0:00:27 . 493800 index entries processed. Index verification completed. Errors found. CHKDSK cannot continue in read-only mode. C:\>