You will carry the program with settings kmplayer.exe setup 7sh3 ( 02 .11.2011) removable drive and don’t modify settings on host computer. If you found dead links, search on Jooseng’s Mirrors. In first screen enter version number: 4.
Settings of installed KMPlayer should be preserved. You must be connected to Internet. Perhaps your firewall or some restriction. Try on another computer in an other place.
Do you want to allow the following program from an unknown publisher to make changes to your computer? I’m not sure what the procedure is for digitally signing an exe, but that something that you will be doing again in the future? I think this comes from your download location that your computer consider as coming from Internet. Do you know any solution or work-around to that?