Restore errors

Answer ID 9203   |    Published 06/06/2006 05:19 PM   |    Updated 17/04/2015 02:43 PM

Restore errors can be caused by:

  • A corrupt storage device. A storage device is whatever you use to store your backup files, for example CD, DVD, USB hard drive, etc. If the storage device is faulty, the restore process will fail. 
  • The backup file is corrupt. This usually means the file wasn't copied to the storage device correctly, or not all of the file was copied.
  • Interference from another program.  Sometimes other programs can interfere with each other because they are doing conflicting tasks. Automatic backup and antivirus programs are a common example as they attempt to access files while another program is still using them.

What are the most common restore errors?


Dynazip error

This type of error has 2 causes:

  • corrupt company file
  • corrupt program file

To check which one is causing your error, open the Clearwater sample company file in your MYOB software. Create a backup and attempt to restore it. Did it work? If it did, this shows that the backup file you're trying to restore is corrupt and you'll need a new copy. If the Clearwater restore failed, it means your MYOB software needs to be reinstalled.


Unable to Restore (new AccountRight only)

This error has 2 causes:

  • Corrupt backup file
  • An issue with system permissions on your computer

To check which one is causing your error, open the Clearwater sample company file in AccountRight. Create a backup and attempt to restore it. Did it work? If it did, this shows that the backup file you're trying to restore is corrupt and you'll need a new copy. If the Clearwater restore failed, close AccountRight and re-open it by right-clicking the AccountRight shortcut and choosing Run as administrator.

If this restore error persists, contact MYOB support (Australia | New Zealand).



This error means the backup file is corrupt and unusable.


I/O Error

There are 3 possible causes of this type of error:

  • Hardware failure: Can you create a backup of the sample company file and restore it successfully? If you can, the issue is with your storage media. You may need a new backup or to talk to an IT person to see if data on your storage device is recoverable.
  • Permission errors: Start your MYOB software by right-clicking the shortcut and choosing Run As Administrator - then attempt to restore the backup again. Also, try to restore a backup to a different location (such as your desktop). If successful, this indicates there are permission issues associated with the original restore location.
  • Interference by a 3rd party program: Temporarily turn off antivirus, backup programs or sync programs (such as Dropbox or Google Drive) so they don't interfere with the restore process. Once the restore is complete, you can turn the 3rd party program back on.


Not An MYOB File

The following issues can cause this error:

  • The wrong file is restored (if there are multiple files in a backup).
  • The backup file being restored was created in a different software version.
  • The backup file is corrupt and unusable.


The data file you have selected is not an MYOB file

This is similar to the 'Not An MYOB File' message. It indicates that a different version of the software was used to backup the company file. Although the company file will be restored, it will need to be upgraded to the version that is being used to restore it.

Also, if the version used to restore the company file is prior to the version that created the backup, you won't be able to open the restored company file. For example, if you create a backup using version 18.5, and that backup is given to your accountant, if your accountant is using version 18 they won't be able to open the file when they restore it. They will need to install version 18.5 on their computer to open the file.


Welcome screen appears and the restore process terminates

This is the similar to the Dynazip error. This error is caused by a corrupt backup file and the data cannot be recovered.


Screen is blank after restoring the company file

When a company file is restored, it is automatically opened by the last step of the restore process. If you are confronted with a blank window at the end of the restore process, check the Windows task bar. You will find the company file's sign-on widow has been minimised. Clicking on the company file will maximise the window, which will allow you to open the file.


BestWare Stuffit engine could not be found (Apple Macintosh only)

When the software installs on a Apple Macintosh computer, it installs the MYOB Stuffit Engine into the SystemExtensions folder. If this file is missing or is corrupt, you will need to reinstall the software. Alternatively, check for a copy of this file in your MYOB program folder. If you have a duplicate of this file, copy it into the SystemsExtension folder.

If I am still having problems restoring my company file, what else can I do?


Copy the backup file from the storage media to the hard drive

Using Windows Explorer, copy the backup file from the storage media to the computer's hard drive and try restoring it from there. This will overcome any anomalies that maybe present on the storage media or its drive.


Try backing up and restoring Clearwater

Clearwater is a sample company file that is installed with your program. Backup Clearwater to the same type of storage media and then try restoring it. This will test the backup/restore function and the storage media's drive. If Clearwater backs up and restores, then it will be safe to assume that the backup file is corrupt.

Also, where possible, back up and restore the company file to the same storage media. Again, if this is successful, then it can be safely assumed that the original backup file is corrupt. Also, be careful that the original backup file isn't overwritten when backing up to the same storage media.


Restore the backup on another computer

This will test the integrity of the backup file, storage media and the computer.


If Windows can't extract the backup file

If you are unable to use windows to explore the zip file and extract the data from it, then the file is corrupt.

Note for Accountants

If you regularly receive backup company files from your clients, request that they restore the company file back on to their computer before sending it to you. This will test the integrity of the backup and its storage media. Also, have them include information regarding the software version they are using. This will assist you when restoring their file.

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