Remove WheelInstant Adware
WheelInstant is a piece of adware or ad-supported software that can show up among the legitimate applications installed on your Mac computer.
WheelInstant is adware that belongs to the broader AdLoad family of adware strains. Adware or ad-supported software is made with a single purpose - to generate revenue for its authors by delivering advertisements inside the browsers of users.
This behavior is, naturally, undesirable for a number of reasons. Firstly, a lot of ads cropping up will make your browsing experience less pleasant and will slow down your connection. Secondly, and more importantly, a lot of the ads served up by adware originate from rogue ad networks.
This means that those ads may refer to questionable content, malicious and untrustworthy pages, misleading websites or the installers of other adware, or potentially unwanted apps.
The best way to deal with adware you find on your Mac is to just uninstall it immediately, to minimize your exposure to similar potentially unsafe ads. Thankfully, the majority of adware apps similar to WheelInstant are uninstalled easily. All you need to do is drag them from your Applications folder to the Trash.