Rhoqo xa kukhutshwa inkqubo entsha yokusebenza, uninzi lwabo ngabaphuhlisi ababeka ukubala ukubala yeka ukuxhasa iinguqulelo ezindala. Njengomgaqo ngokubanzi, ixesha lenkxaso alandisi kakhulu kodwa zininzi izinto ezinokuba nefuthe kwisigqibo senkampani. Eyokuqala nokuphambili linani labasebenzisi abaqhubeka nokuyisebenzisa. IWindows XP, nangona ibisentengiso kangangeminyaka eli-16, isekhona kwinani elikhulu leekhompyuter namhlanje, ngenxa yokuhambelana kunye nozinzo lwenkqubo. Nangona kunjalo, iWindows Vista, eyadlula ingabonwa lilizwe lePC kwiminyaka embalwa kamva, ayinabuninzi bomsebenzisi.
Umbutho weMozilla usandula ukubhengeza ukuba isikhangeli seFirefox izakuqhubeka nokubonelela ngenkxaso kubo bonke abasebenzisi abaqhubeka nokusebenzisa iWindows XP okanye iWindows Vista kude kube ngu-Septemba wonyaka ozayo, ke ukuba unekhompyuter enale nkqubo yokusebenza, isenokuba lixesha lokucinga ngokuhlaziya isixhobo sakho, kuba iinguqulelo zazo zombini iinkqubo ziya kuyeka ukufumana uhlaziyo ukuze zibesemngciphekweni wazo zonke iingxaki zokhuseleko ukusukela ngaloo mhla.
Esi sigqibo sichaphazela kuphela abasebenzisi bakarhulumente, kuba amaziko ayinxalenye yoKhululwa kweNkxaso ye-Extender, izakuqhubeka nokufumana inkxaso ngohlaziyo oluzayo. Le nkqubo yenzelwe iinkampani kunye namaziko emfundo, apho inani elikhulu leekhompyuter liqhubeka nokusebenzisa ezi nguqulelo zeWindows kwaye apho kungabizi kakhulu ukuqesha olu hlobo lwenkxaso kunokutshintsha zonke iiPC. I-ESR yinkqubo efana naleyo iMicrosoft iyaqhubeka nokubonelela ikakhulu koorhulumente apho iWindows XP isengukumkani wekhompyuter kwaye okwangoku akukho njongo yokuhlaziya izixhobo.