@Aina help me
First clearly explain your situation,
- How did u install it
- Where did you install it (in Virtual box or in a real machine*(never prefer this option)* )
- What were you trying to do while this situation happened
IF YOU CANNOT EXPLAIN THIS NO ONE CAN HELP YOU
Ahem…
I faced the same situation while installing android in Vbox and I fixed it by following this.
Follow this guide if your situation matches with mine.
‘NOTE INTERNET IS YOUR ALLY TRY USING IT BEFORE ASKING SOMEONE ELSE’
-By myself

!