Msiexec. Zero Install: Virtual machines. Virtual Machines As well as allowing sharing between users, you can also use Zero Install to share packages between virtual machines.
That is, the package is downloaded and stored once, but all virtual machines can run it. VirtualBox VirtualBox is a popular free (GPL) virtualisation system. To share your host's cache with a guest: AccessControl plug-in. Links AccessControl.zip (40 KB) (includes NSIS-Unicode variant)Well-known security identifiers in Windows operating systems Description.
UAC plug-in. Plugin Info Version: 0.2.4 (20111123) Type: Runtime plugin Character encoding: Ansi Minimum OS: Win95/NT4 (Elevation on Win2000+) Minimum NSIS Version: 2.45 License: zlib Download: UAC.zip (41 KB) Info This plug-in attempts to work around UAC installation problems on Win2000+.