WinXP errors

[imabkn]

Assalamualikum Friendz,
Mera masla ye hain k jub b main windows XP install kerta hoon tu 2 ya 3 din k baad iss qisam k errors shuroo ho jatain hain.Main nay kai mertaba partition delete keyea aur dubara banayain,Hard disk format ki,Windows XP ki cd's change ki,mager ye errors khatum nahi howain.Main zeyada ter apnay PC per net use kerta hoo.kia iss ki waja say tu ye errors nahi atain hain.Kia iss maslay ka koi hal hain,ya phir ye koi virus hain.Agar ye virus hain tu iss say nijaat kis tarah hasil ki ja sakti hain.Please iss ka koi sahai tareeqa ya hal tahreer kijeain.Shukria.