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I am using tor browser on windows 10 pro, and recently I can not use it. when I start the program, I receive following message:

Tor Browser does not have permission to access the profile. Please adjust your file system permissions and try again.

best regards, Farshid

Farshid
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    It sounds like something has gone wrong with the installation, something has changed permissions on your filesystem. It might be worthwhile simply removing it and reinstalling it. – cacahuatl Aug 16 '17 at 00:58

8 Answers8

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My Tor-Browser is installed in C:\ProgramData\chocolatey\lib\tor-browser\tools\tor-browser\Browser\firefox.exe

What worked for me is to give your Windows User write ("change") access to C:\ProgramData\chocolatey\lib\tor-browser\tools\tor-browser\Browser\TorBrowser\Data\Browser

DemIngenieurIstNichtsZuSchwör
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I was getting this error, after installation with Chocolatey, when trying to start Tor Browser:

Tor Browser does not have permission to access the profile.

I tried changing permissions on C:\ProgramData\chocolatey\lib\tor-browser\tools\tor-browser\Browser\ and similar, as recommended here and there, but it still didn't work.

What finally did it was giving my user Write and Modify permissions to C:\Program Files\Tor Browser\Browser (as well as R&E, List, Read). (Even though I was already in a group (Administrators) that had such permissions.)

This is in Sep. 2020, with version 9.5.4.

Jacktose
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I fixed this problem on a windows machine by just giving my current user full control over the folder like below.

  1. Go to where you installed the browser and right click the folder then go to properties.
  2. Choose security tab and click edit button which is below all the accounts shown on the machine.
  3. Select the user you want and then tick allow on all the permissions and mainly the full control and read and write and then apply these changes and open the browser again.
Pistone Sanjama
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It could most likely be your anti-virus that's causing this. Go to the anti-virus application you have installed and try turning off the "file protection" option.

On Bitdefender, this is the Safe Files option within Protection Features.

Ali Nobari
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I know this is a very old question. But for future reference, the easiest way, I believe is to run the program as administrator. You can make this a default setting from the properties>advanced section.

Leo
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bit defender does block this, to get round it. open bit defender, there will be a 'notification' saying 'application access blocked' if you select that you can 'View application' (which will be TORbrowser. then on that page (top right by the dustbin icon) there will be a switch you can turn on to enable the application to have access to the protected profile stuff.

user28843
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If possible, I would install the browser in the first place where the profile fits. For example, in the user home directory. With Windows 10, this is sometimes under the Users folder. It could be that in this way many users will have to install the same program in a different location. So that there will be almost identical copies of the same program in the system. I guess the privacy implications outweigh this duplication.

nh4c
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Uninstall Tor browser by deleting its install folder and all shortcuts. The reinstall it in a user folder. See https://tor.stackexchange.com/a/22621/22888

huha
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