Member Avatar for nspireing

I just picked up a 1 gb kingston U3 drive and looking through the whole thing i like the concept of it. though ive added alot of software to the drive it tells me i must have a .up3 file to update the program list with the new application. ive just been direct installing via installer files to the drive. anyone know how to get around this??

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Dani AI

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Short answer: U3 LaunchPad only recognizes U3-packaged applications — copying ordinary installers to the drive will not register them with the LaunchPad menu. That is why the LaunchPad complains about a missing manifest (.up3 or equivalent) when you try to update the program list. observed the symptom; and were right that removing the U3 layer will make the drive behave like a normal USB stick, but there are less-destructive options if the goal is to keep the LaunchPad menu.

Practical steps to fix or work around it:

  1. Back up everything on the stick first.
  2. Show hidden and system files in Windows Explorer so you can inspect the drive for the U3/SYSTEM folders and the LaunchPad files.
  3. To install so the LaunchPad will list the app, run the LaunchPad "Add/Install program" flow and use a U3-aware installer (look for vendors offering a "for U3" package). Standard installers copied by hand will not create the LaunchPad metadata.
  4. If you cannot find a U3-wrapped installer, either find a portable/U3 variant from the vendor or wrap the app using the U3 developer tools (the U3 SDK/packaging tools; these resources are legacy/archived now).
  5. If you prefer to drop LaunchPad entirely, use the official U3/SanDisk removal utility (or an equivalent removal tool) to remove the virtual CD partition and restore a normal filesystem — but only after backing up data.

U3 is a legacy platform (the LaunchPad uses a small virtual CD partition to present autorun functionality), so consider modern alternatives such as the PortableApps Platform for making and using portable apps on any USB stick. For background on how U3 works see and for actively maintained portable-app tooling see PortableApps.

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Member Avatar for 'Stein

Hmm, although I have a U3 drive, I couldn't tell you. Instead of use the software, I just deleted it and reformatted the drive. ;)

Have you tried their help site?

Member Avatar for J_M44053

I would check the site. When I got my flash drive I ignored the U3.

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