mera problem yeh hai k mere dost mere computer per kuch na kuch naya softwares install kerte rehte hain main unhain nahin rok pata hoon

main yeh chahta hoon keh jab bhe woh koe software install kerain to computer unse software install kerne k liay pasword mangay

yeni jab bhi mere siwa koe bhi kisi kisam ka software install kerna chahe to na kar sakay this is very seious problem with me please help me