java problem koi to help karo

[SJS.]

Salam bhai main 4 dafa thered bana chuka hon koi to help karo plz bhai
Bhai mere pass nokia c3 hai
1. Pahle jab main itd se koi bhi jar file install karta tha uc se to wo ho jati thi lekin ab jaise hi install karta hon to option aata hai k kahan save karoge card main ya phone main main jahan bhi save karta hon to file not support aa jata hai for exmaple mobile rar.ext aisa ata hai main us ko rename kar k .jar karta hon phir bhi not support ka error aa raha hai jab k kisi bhi aur site se install karta hon to sahi install ho jati hai ye aur file games main aa jati hai aur work bhi karti hai problem itdunya.com pe aa raha hai.
2. Mobile winrar c3 main kaise use hoti hai full detail batayen bhai mene buhat koshish ki hai samjh nahi aa raha h file ko kaise extrect karon plz bhaiyo help kar do. Thanks in advance.

[imsog]

k.rar karo or rar app say extract karo oss say jar file extract ho jai gee

[SJS.]

Bhai rar mere pass hai ap ye batao k extect kaise karon aur rar ka koi bhi file extrect hoga ya sirf java rar ka hoga