Hi-Target Geomatics Office is developed by the Microsoft NET Framework 2.0 framework. Therefore, make sure that your computer has installed this framework. (Note: WINDOW 7 system itself comes with the Microsoft NET Framework 2.0 Framework) 1 If your computer has not installed Microsoft NET Framework 2.0 framework, please install the package "NetFrame2.exe first, then install HGO.msi. 2 If your computer has installed Microsoft NET Framework 2.0 framework, please install the package HGO.msi directly.