[wpkg-users] Updating packages without disrupting end users

[heiko.helmle at horiba.com]

> Hi Folks:
> 
> Several of the silent installers in the WPKG database use taskkill
> when updating from one version of a package to a newer version (e.g.
> Firefox).
> 
> From an end user perspective, this means that I could be using an
> application or a browser and my application will be terminated with no
> notification and I will lose all my work.

The best way would be making sure that no user is logged in during a WPKG 
run - either run on startup or on shutdown or at least make the user aware 
that wpkg is going to run and that all applications should be closed.

for me the taskkills are just a failsafe if a process gets left or 
something. Stupid installers (java for example) tend to completely bork 
the installation if files are locked (and killing java.exe is _not_ enough 
if you have applications that lock jar files directly (smartsvn is an 
example))

Best Regards
Heiko

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