It is frustrating when it appears a browser based program is not functioning correctly. Error 103 typically means the credentials in QBO do not match the credentials the bank has on file. This may be caused by damaged internet temp files or other browser process/function.
These steps will help to identify and resolve the issue when the browser temporary files, or other environment factor, are causing/contributing to the issue.
Clearing cache files resolves a majority of connection issues. Here is the most basic steps for restoring the banking connection in QBO:
Clear Cache for your browser:
Note: Do Not Delete Cookies
Note: All browser windows must be closed to allow the process to complete.
Verify the process has stopped in the Windows task Manager.
Login to bank website:
Login to QBO and update bank information:
Other Browser Troubleshooting Steps to Consider.
Turn off Pop-up Blockers in your browser
Turn off Add-ons/Extensions in your browser
Note: The switch will turn grey when turned off.
Test in Private Browser/Incognito
In Google Chrome: Press Ctrl + Shift + N
In Mozilla Firefox: Press Ctrl +Shift + A
Create a New Person in Google Chrome