My Application is Stuck , i have exam in few hours

My application shows "preparing ur data . This might take a while . Keep app open even if appears stuck .

I have my exams in few hours and i need to revise , how much more time would it take for the process to be over with?
the progress bar is stuck

You guys should not start any backup or update without informing us in advance .

I could had atleast saved my notes somewhere on my PC .

i have exam in few hours and your app is stuck ?

What shall i do ?