On Fri, Apr 10, 2015 at 09:43:53AM +0000, Koch, Stefan wrote: > è <install cmd='del "C:\Users\Public\Desktop\Mozilla Firefox.lnk"' /> but it > gave me an exit code return non successful (-1) 'del' is a shell builtin, so you have to run it from a shell. Invoke it with '%COMSPEC% /c', e.g. '%COMSPEC% /c del .....'