I have tor browser bundle portable on a usb stick. When I plug it in, and run tor, it works fine. However, I copied the files to a folder on the computer itself. When I run tor from there, it does not work. When I run it, it appears to do something, but then nothing happens. If I try to run it again, a dialog box saying that it is already running appears. I'm using windows 7. Do I have to run the portable version off a USB? If I don't want to have to plug in a USB, do I have to install tor on the machine, instead of just running the portable files?

  • The answer is not correct. You can run Tor browser from your local hard drive (I do it myself with several Windows 7, 8, etc. boxes) as well as your USB stick.
    – Jens Kubieziel
    May 23, 2016 at 11:44
  • Which directory on your Windows box do you use? Do you have write permissions to that directory? When you first copy it, please navigate to the Data\Tor subdirectory and see if Tor creates some files which start with cached-. How long did you wait from starting Tor browser until you tried to run it again?
    – Jens Kubieziel
    May 23, 2016 at 11:47
  • 1
    I think "Tor Browser Bundle Portable" is it's own thing related to "portable apps", e.g. the version distributed unsigned over http here: sourceforge.net/projects/torbrowserportable Do not use this software, not an endorsement
    – cacahuatl
    May 24, 2016 at 2:09

1 Answer 1


it's not just copy-and-run : it's tweaked a bit to be executed from a separate disk(=your flash drive). It's about path's and directories, so either use a USB stick, or use an image on temporary ramdrive

  • This explanation is wrong. One can run Tor browser from a stick as well as from an ordinary drive. Usually it doesn't matter if it is a Windows drive, a USB stick or something else.
    – Jens Kubieziel
    May 23, 2016 at 11:43
  • @JensKubieziel usually it does not matter, but this glitch appears from time to time, this very glitch
    – Alexey Vesnin
    May 23, 2016 at 16:55

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