QBwin.log Error

QBWin.log or QuickBooks Log File Error

What is QBWin.log / QuickBooks Log Files in QuickBooks Desktop

QuickBooks desktop records information about the events that occur in the accounting software in the QBWin.log file. QBWin.log is for the windows operating system & the QuickBooks log file is for MAC OS. These files are used to analyze & rectify errors in the QuickBooks Desktop company file.

QBwin.log Error

The QuickBooks log files are used to store information gathered from QuickBooks utilities about the events or errors in QuickBooks.

How to find QBWin.log file in QuickBooks Desktop

Windows –

You can easily search qbwin.log from your search bar to find the file. Now to locate the most recent file. Follow these steps-

  • Open QuickBooks Desktop
  • Press the F2 key & then the F3 key simultaneously
  • Tech Help window will come up, click on Open File
  • Locate QBWin.log & Click on open


Locate QuickBooks Log file

  • Click on GO on the top left
  • Choose Go to folder
  • Type /library
  • Click on the Logs folder
  • Locate QuickBooks Folder
  • You will find QuickBooks.log file

Now you will be able to check the messages or errors in the program.

What is QBWin.log Error / QuickBooks Log Error

QBWin.log error or QuickBooks Log error occurs due to the sudden shutdown of the application due to error, power supply, or server failure. These error messages might appear like

  • Verify Master: Next trans number is ### should be ###.
  • LVL_ERROR–Error: Verify Names List: Index XXX record XXX.
  • Verify Master: Duplicate transaction number: Master, Trans, txn#, date, doc#.
  • Verify Master: totTrans wrong. Is ### should be ###.

How to Fix QBWin.log Error or Fix QuickBooks Log file Error

Before performing any of the solutions, remember you backup your QuickBooks company file.

Solution 1 – Update QuickBooks Desktop

  • Locate Help in the menu and click Update QuickBooks
  • Go to the Update Now window
  •  Select all the updates that you want to download and select Get Updates

Manually Update QuickBooks

update quickbooks to fix QBWin.log error
  • Go to Download and Updates Pages
  • Select the Product you i.e. QuickBooks Pro, Premier, etc
  • Select the Version i.e. QuickBooks Pro 2018, QuickBooks Premier 2018, etc
  • Search and Select Get Latest Updates, then click on Save to download the Updates
  • Install Updates and Restart the computer
  • If you have an active QuickBooks Payroll Subscription, Install Updates from the download center

Solution 2 – Rebuild your company file

To fix the error, QuickBooks has a feature to repair QBWin.log file errors. Follow the steps to run verify & rebuild data utility in QuickBooks desktop.

qbwin.log error
  • Go to file
  • Click on Utilities
  • Choose Verify Data
  • If you see errors, click on Rebuild Data

Solution 3 – Restore QuickBooks backup company file

Before you perform these steps. locate .qbb file locally –

  • Open QuickBooks
  • Go to File
  • Click on Open or Restore Company
  • Select Restore a backup copy
  • Choose Next
  • Check Local Backup & click Next
  • Browse the most recent backup company file in .qbb format
  • Open the file & click on save

Contact QuickBooks Experts to Fix QBWin.Log Error

If the above-provided troubleshooting doesn’t help you fix QBWin.log error. Get help from trained software experts to repair the error. Reach out to 24×7 QuickBooks Enterprise support experts at +1888-727-4587.