The JS rendering engine is the most proprietary and slowest of all of the browsers. I work with automation software and it is, by far, the most particular and problematic (over anything built on WebKit like Chrome and Safari or Firefox).
"The box said requires windows xp or better, so I installed Linux"
Aside from malware (again, what did you do to determine you have none), genearlly this is something breaking JavaScript, or rather, rendering it incorrectly (unpactched IE or 3rd party software [like ad blockers, antivirus etc])
Google search comes ahead with things like internet explorer opens many tabs -- most of the responses say 'malware'