BillingTracker Pro – How to switch from multi-user mode to single user mode 1. Close BillingTracker Pro 2. Change the registry setting HKEY_CURRENT_USER\Software\BillingTrackerPro3\ UserMode to 1 (to change the registry, go to Start>Run> and type 'Regedit'. UserMode is near the bottom. Double click on the icon and change the value to 1). Do NOT change anything else in the registry! 3. Remove the ODBC Setting for BillingTrackerPro 3 (from Control Panel > ODBC Data Sources, the 'user DSN' tab. For XP users, find ODBC Data Sources under Administrative Tools) 4. If it isn't there already, put the DB (billingtrackerpro3.mdb) in the directory where BillingTracker Pro is installed (for most users this is C:\program files\BillingTracker Pro 3 5. Restart BillingTracker Pro