1) To run the apps does my usb stick have to be in all the time for the program to work?
2) Can it overheat aka the usb flash drive?
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1) Yes, if the drive isn't plugged in, the program isn't "there".
2) Not really. Most flash drives don't have issues with continuous use even. And portable apps don't read and write continuously, just in spurts.
Sometimes, the impossible can become possible, if you're awesome!
What about u3 apps?
Same answers to both questions.
Sometimes, the impossible can become possible, if you're awesome!
are there any more portable apps that are not listed
on this site?
Check out www.portablefreeware.com .
Vintage!
We have lots of test releases here, but some may leave some things behind:
https://portableapps.com/development/test
Some projects also maintain their own portable versions of their software. WireShark, for instance, does their own PortableApps.com Package. Others have zip files you need to manually install. Most of those will leave registry keys, empty directories or log files behind (usually your settings are kept on the drive, though).
Sometimes, the impossible can become possible, if you're awesome!