Knowledge Base

Check the disk and file system for errors and try to repeat the operation

This article applies to:

• Acronis Backup & Recovery 11.5
• Acronis Backup & Recovery 11
• Acronis Backup & Recovery 10
• True Image 2013 by Acronis
• Acronis True Image Home 2012
• Acronis True Image Home 2010
• Acronis True Image Home 2011
• Acronis Disk Director 11 (all editions)

Symptoms

1. You  start an operation with partitions, for example, a disk clone with resizing the partition(s);
2. Acronis product aborts the operation with an error message that includes one of the following:
   • MFT bitmap is corrupted
   • Invalid format
   • Failed to prepare operations
     Error code: 9 'A file system error has been found.'
     458,776 'MFT bitmap is corrupted
   • Failed to prepare operations.
     Error code: 9 'A file system error has been found.' with extended code: 458,780 'Run list is corrupted.'

Cause

Acronis product has found a disk error that prevents operation's execution.

Solution

First of all, please check the disk for file system errors with the repair parameter:

Check the disk and file system for errors:

• Go to the Command Prompt (Start-Run -> cmd):

  

• Enter the command:

  chkdsk DISK: /r

  where DISK is the drive letter of the partition you need to check. Please note that checking the C: drive may require you to reboot the machine.

  For example

  

If the issue persists, please download and install the latest driver update:

1. Download and install Acronis driver update:
   • Acronis Backup & Recovery 11.5: SnapAPI 1088
   • Acronis backup & Recovery 10/11: SnapAPI 640
   • True Image 2013 by Acronis: SnapAPI 1088
   • Acronis True Image Home 2012: SnapAPI 685
   • Acronis True Image Home 2010/2011: SnapAPI 586
   • Other Acronis products: SnapAPI 380
2. After the installation, see if the issue persists.

More information

If the issue persists, please do the following:

Please create a system report of the affected machine and contact support with a reference to this article.