unexpected error

D

drainout

i developed an application with ms access as my front-end
and mysql as my back-end. users need to log-in first
before they can have an access on the application and
need to log-out too. the problem occurs whenever there's
an unexpected error (ex. when the pc hangs up), all my
variables are set to 0 that i have no way to reset their
state/status so they can log back in.

any help/suggestion in this matter is highly appreciated.
thank you.
 
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