Win CE 5.0 erase all program everytime I reboot

Hi,
I've successfully installed WinCE 5.0 and .Net Compact Framework 3.5...
I've developed my simple application and it runs correctly on the board.

But Everytime I reboot the board that looses all the installation... What
to do?

Thnx a lot
Stranet

There are some threads about this:
http://www.friendlyarm.net/forum/topic/96
http://www.friendlyarm.net/forum/topic/151

Rgds,
Tom