Learn to find QBWin.log or QuickBooks.log files to help you determine the cause of certain errors in your QuickBooks Desktop company file.

 
Note:
  • QuickBooks Desktop logs program messages and errors, including information created by Verify, Rebuild, and Condense Data utilities, in a specific file. In Windows, the file is called QBWin.log while for Mac, it is called QuickBooks.log (applies to US only).
  • Errors like "IsQBInUseLockFilePresentAndLocked...LCK can't be found. Error = 2" in QBWin.log is not a sign of data damage and should not be considered as one when troubleshooting data damage.
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