Windows Update, Critical, High Priority and Optional. It does not detect hardware drivers via update.
I wouldn't call this program crap.
Bear in mind that it is still in BETA
, so for some people would work, for some people would not.
I use this program on high end and ancient-end systems, no slowdown, no CPU spikes, no HDD hog, no high memory consumption. If it works for you, use it, if not, use alternative like PSI.
Is this same outfit who produce the ghastly crapware baidu toolbar
Then no thanks
Sometimes it helps doing custom installation and reviewing each option what to install or not install.
I think something is included in the install process but you can choose not to install.