When you double click on the VNIXP, VNI Tan Viet icons, the program appears then disappear.
Please see this document first
Some of the new machines, they have Performance Hyper Threading to stimulate multiple virtual CPU, this creates conflict with VNI installation program and ALSO the un-installation program.) Please disable this feature while INSTALLING or UNINSTALLING by following these steps:
After the installation, if you really want to enable hyper threading mode, please download this file and run on your computer: