united folders-> inbox is empty , how can i fix it? please help me

hi

my xp freeze while i have thunderbird portable load in memory , and i had to reset

now united folders-> inbox is empty

before under united folders -> inbox i have all the incoming emails listed
i have 4 accounts

to read my email i had to click on every email account

how can i fix it ?

if i click on inbox , properties i get mailbox:///H:/Thunderbird/Data/profile/Mail/smart mailboxes/Inbox

i tried to click repair folder but i did not work

plase help

thanks cheers