It ran about 10 hours, loaded 70% of blockchain, now always this error in debug.log on restart

2021-06-21T14:11:58Z ERROR: ReadBlockFromDisk: Errors in block header at FlatFilePos(nFile=1801, nPos=1334030)

2021-06-21T14:11:58Z *** Failed to read block

2021-06-21T14:11:58Z Error: A fatal internal error occurred, see debug.log for details

any suggestions ?? thx

  • Are you able to open that file manually? Try running a disk checker to look for bad sectors on the hard drive. Also check file permissions if they got changed somehow
    – noone392
    Commented Jun 21, 2021 at 17:36
  • yes the file blk01801.dat can be opened. It's the last file created and smaller than the other .dat files Commented Jun 21, 2021 at 17:53
  • Hmm then I would try to scan for bad sectors.
    – noone392
    Commented Jun 21, 2021 at 17:57
  • disk is good. am going to remove everything and start over using the ADMIN account instead of an account with admin priv Commented Jun 22, 2021 at 11:29
  • If this is windows you can right click the file and make sure the permissions are open so anyone can read and write
    – noone392
    Commented Jun 22, 2021 at 13:00


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