[TYPO3-english] I beginner in typo3 and I have a problem in my Backend

[Alam Hamid]

Hello Guys
 
I have a typo3 website vr 4.0beta3 and it was working fine but when i upgrade my hosting space , The Frontend it's work fine but i have problem in backend like if i wanna to clear the cash memory it's disappear all right column and also when i wanna to add new news it's not save and disappear.
 
i beginner in typo3 , please anyone help me  
 
kind regards
 
Alam Eldeen