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Get help with Error -6123, 0

Learn what to do if you see Error -6123,0 in QuickBooks Desktop.

If you see Error -6123,0, don’t worry. We’ll walk you through how to fix this by closing some programs or modifying your company file. To begin, choose the section below that describes what you were doing when you got the error.

If you’re using McAfee Anti-Virus (all versions)

Check this McAfee article before you follow any other steps.

If you see Error -6123,0 while opening or upgrading your company file

Step 1: Close processes running on your computer

Some processes on your computer can interfere with QuickBooks. If you see Error -6123,0 while opening or upgrading your company file, try closing them.

  1. Close QuickBooks Desktop.
  2. Open your Windows Task Manager.
    • Press CTRL + Alt + Delete on your keyboard and select Task Manager. Or, right click on the taskbar at the bottom of your home screen and select Task Manager.
  3. Go to the Processes Tab. Depending on your version of Windows, you may also need to select More Details for the full view.
  4. Select the column header to sort the list alphabetically.
  5. Select each of the following processes and then select End Process. If you see duplicates, end those as well:
    • qbw32.exe
    • qbupdate.exe
    • qbhelp.exe
    • qBUpdateService.exe
    • qBIDPService.exe
    • qBWebConnector.exe
    • qBVSS.exe
    • intuitDataProtect.exe
  6. When you’re finished, reopen QuickBooks Desktop.


Step 2: Run File Doctor

If step 1 didn’t work, we can use File Doctor to repair your company fil. File Doctor is a tool that automatically scans and fixes common QuickBooks Desktop data issues.

Get started with File Doctor:

  1. Download the QuickBooks File Doctor installation file.
    • If you have an older version of File Doctor on your computer, uninstall it. Then download and use the version linked above.
  2. Double-click to open the File Doctor.exe file. It will probably be in your Downloads folder or your desktop. Follow the on-screen instructions.
  3. When the install is finished, File Doctor will open automatically.
    • If QuickBooks asks you to run the internal version of File Doctor, close the prompt. Use the downloaded version of File Doctor.
  4. Choose your company file from the drop-down.
    • If you don’t see it, select Browse to search your computer for the file. The file will look like this: [your company name].qbw.
  5. Select Check File Damage Only, then Diagnose File.
  6. Enter your QuickBooks admin password, then select Next.
  7. Select Repair file in existing version of QuickBooks, then select Next. If you see the option to “Open the file in a newer version of QuickBooks,” don’t select it.Try fixing the current version of your company file first. If this doesn’t work, close and reopen File Doctor. This time, choose “Open the file in a newer version of QuickBooks."
  8. File Doctor will start repairing your file. This may take a while.
  9. When the repair is finished, select your company from the list and then select Open QuickBooks.

If you can open your file without any issues, everything is fixed. Be sure to make a back-up of your company file once you’re able to open it.

Even if File Doctor says the fix was unsuccessful, try restarting your computer and opening QuickBooks anyway.

If you repaired your file with File Doctor but still see Error 6123,0, don’t worry. Your data should be safe. At this point, please get in touch our data services team for additional fixes.

If you see Error -6123,0 while restoring your company file

If you’re restoring your company file from a backup (.qbb) or a portable copy (.qbm), save these files to your local hard drive before opening them. Don’t open them from an online storage folder or a removable drive.

If you see Error -6123, 0 while restoring a backup (.qbb) of your company file on a new computer, try creating and restoring a portable copy (.qbm):

  1. Open QuickBooks Desktop on the same computer you used to create the backup company file.
  2. Open your original company file as usual (not the backup).
  3. Create a portable copy (.qbm) of your company file.
  4. Open QuickBooks Desktop on the new computer.
  5. Restore your company file using the portable copy (.qbm) instead of the backup.