QBWC1085: QuickBooks was unable to write to the log file. QuickBooks will open without writing to log file

Issue:

When there's a damaged or missing QWCLOG.TXT file, you may encounter errors such as:

• QBWC1085: "There was a problem with the log file. QuickBooks Web Connector will continue without the log file."
• Exception TypeError: Unknown name

Solutions:

If your company file isn’t connected to a third-party application:

1. Sign in as the Windows admin to have proper access.
2. Navigate to the folder:
   C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup
3. Delete QuickBooks Web Connector:
   • Right-click QuickBooks Web Connector in the folder.
   • Select Delete to remove the shortcut.
4. Restart your computer.
5. Open QuickBooks again after the restart.

If your company file is connected to a third-party application using Web Connector:

1. Exit QuickBooks and Web Connector completely.
2. Navigate to the folder:
   C:\ProgramData\Intuit\QBWebConnector\log
3. Rename the log file:
   • Find QWCLOG.TXT.
   • Right-click it and rename it to QWCLOGOLD.TXT.
4. Reopen Web Connector and restart your computer.
5. Open QuickBooks and sign in to your third-party application again.

If the problem persists:

• If the error remains after following these steps, contact Intuit Support for further assistance.

Reference: https://quickbooks.intuit.com/learn-support/en-us/set-up-payments/fix-common-web-connector-errors/00/203305