Illegal (unlicensed) software, viruses, general havoc and increased (amount and frequency) maintenance required if patrons were allowed to install software. Users of our public machines are not allowed to install software, the machines are locked down to prevent this for obvious reasons. Our problem: The U3 system does install some software, and this is where we run into problems. This is not always obeyed (see under criticisms) and even so it is still making changes to the system’s registry, even if only temporary and that is taking the company at its word. The U3 standard involves writing applications to the specification that anything they change on the host machine is changed back when the jump drive is removed. This system essentially allows you to take certain portable apps like Firefox or OpenOffice with all of your customizations and preferences with it. U3 is a proprietary system mostly backed by SanDisk so that applications can be executed directly from a specially formatted USB flash drive.
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