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What i would recommend, is a quick and dirty fix: restarting your Lansweeper service.
Restarting will release all memory, actively stopping the current deployments.
If that didn't do the trick, you will need to:
a: Wait till everything is done deploying. (but I'm guessing that, since your here, you don't wanna do that
)
b: Do some SQL work
If you are going for option b, you need to look up the ID of the package you are deploying.
For this you can use SQL server manager or, if you are using SQL compact, the Lansweeper report builder.
Select tsysPackages.PackageName, tsysPackages.PackageID As ID From tsysPackages
Now that you have the required ID, you can delete the configuration that is causing your deployment to (re)start.
Delete from tsyspackageschedule where packageID = 'FILL_ID_HERE'
If using SQL Compact, be aware that you need to execute/paste the delete part of the SQL code under configuration >> database scripts.
(Do note that this is normally not recommended! Always double-check your syntax!)
And you're done!
You might even have time to spare to tell your workmate to never ever deploy an untested package again.
Happy fixing!
Bert