help with adept_manager lock

[Goh Lip]

Patricia Wilson wrote:
> When I try to use adept_manager to do the upgrade to 9.04 I get an error 
> message -- Unable to get exclusive lock
> With detail --
> This usually means that another package management application (like 
> apt-get or aptitude) already running. Please close that application first.
> 
> I had the system go down during a prior attempt to do the upgrade and 
> suspect that there may be a lock file somewhere that didn't get cleaned 
> up. Can anyone help me find that/those  lockfile(s)?
> 
>

Try

sudo dpkg --configure -a

or

sudo apt-get install -f