i have a rtl-sdr v4 blog dongle. and want to analyze radio signal on mpxtool by omnia. but cant get it worked on mpx tool its says unable to open if i click on the reciever button. if tried several things. driver install with zadig and reinstall mpxtool and a lot more ways. the dongle works fine with sdr-sharp and other software but not with mpxtool. is there someone knows what else to do??