Please follow these setting before installing NaviPac 3.10 on a Windows7 computer:

  • Type UAC (User Account control) into the Windows search bar and set to Never Notify
  • Find the desktop shortcuts for NaviPac and Helmsman, do a right mouse-click, open Properties/Compatibility and  set them to Run as Administrator
  • Disable UAC also in the Windows Registry Editor:

  • Depending on the computer settings you may be prompted by the User Account Control tool for allowance to change settings - click Yes to continue

  • Go to Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
  • Select the option EnableLUA in the right hand panel
  • To turn off the UAC virtualisation, set the Data value to 0
  • Close the Registry Editor
  • After these changes are made, reboot your computer to apply them