Recently i decided to try out a voice changer for some fun on a few rp servers in games. however i picked on called voxal voice changer and after i installed it it told me to restart my computer. so i did but now i have no audio on my computer at all. when going over the speaker icon it says no audio output device is installed. i'v tried updating them but it says they are up to date however when i try to reinstall them it says they were not successfully installed. in device manager all of them have a yellow caution sign on them. nothing i try has worked so far. any help?