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That is a local problem which is probably related to your firewall. The control ports which need to be tunneled through the firewall are 9150 and 9151.

1. at https://trac.torproject.org/projects/tor/ticket/11023 user "badon" says

I copied my portable Tor Browser Bundle to another drive, and it worked!

you could give that a try, too

4. see if the problem occurs in Safe Mode with Networking (press F8 while starting to access)

5. try the TBB on a friend's computer to see if you have the same problem

6. follow the steps at https://trac.torproject.org/projects/tor/ticket/11776. (f.ex. by uninstalling your AV software)

7. check your firewall

• see http://superuser.com/questions/611620/firewall-blocks-localhost-but-only-if-its-turned-on where the problem is in the hosts file.
• http://superuser.com/questions/401900/how-to-block-localhost-connections-with-windows-7-2008r2-firewall says that the windows firewall should not be the problem if you are able to access tor.sx.
• have a look at official documentation.

7. There are directions on changing your ports from 9150/9151 to others at https://trac.torproject.org/projects/tor/ticket/13150

8. download TAILS to a USB stick and boot from it to use Tor.

That is a local problem which is probably related to your firewall. The control ports which need to be tunneled through the firewall are 9150 and 9151.

1. at https://trac.torproject.org/projects/tor/ticket/11023 user "badon" says

I copied my portable Tor Browser Bundle to another drive, and it worked!

you could give that a try, too

4. see if the problem occurs in Safe Mode with Networking (press F8 while starting to access)

5. try the TBB on a friend's computer to see if you have the same problem

6. follow the steps at https://trac.torproject.org/projects/tor/ticket/11776. (f.ex. by uninstalling your AV software)

7. check your firewall

• see https://superuser.com/questions/611620/firewall-blocks-localhost-but-only-if-its-turned-on where the problem is in the hosts file.
• https://superuser.com/questions/401900/how-to-block-localhost-connections-with-windows-7-2008r2-firewall says that the windows firewall should not be the problem if you are able to access tor.sx.
• have a look at official documentation.

7. There are directions on changing your ports from 9150/9151 to others at https://trac.torproject.org/projects/tor/ticket/13150

8. download TAILS to a USB stick and boot from it to use Tor.

That is a local problem which is probably related to your firewall. The control ports which need to be tunneled through the firewall are 9150 and 9151.

1. see http://superuser.com/questions/611620/firewall-blocks-localhost-but-only-if-its-turned-on where the problem is in the hosts file.
2. http://superuser.com/questions/401900/how-to-block-localhost-connections-with-windows-7-2008r2-firewall says that the windows firewall should not be the problem if you are able to access tor.sx.
3. have a look at official documentation.
4. see if the problem occurs in Safe Mode with Networking (press F8 while starting to access)
5. try the TBB on a friend's computer to see if you have the same problem
6. download TAILS to a USB stick and boot from it to use Tor.

That is a local problem which is probably related to your firewall. The control ports which need to be tunneled through the firewall are 9150 and 9151.

1. at https://trac.torproject.org/projects/tor/ticket/11023 user "badon" says

I copied my portable Tor Browser Bundle to another drive, and it worked!

you could give that a try, too

4. see if the problem occurs in Safe Mode with Networking (press F8 while starting to access)

5. try the TBB on a friend's computer to see if you have the same problem

6. follow the steps at https://trac.torproject.org/projects/tor/ticket/11776. (f.ex. by uninstalling your AV software)

7. check your firewall

• see http://superuser.com/questions/611620/firewall-blocks-localhost-but-only-if-its-turned-on where the problem is in the hosts file.
• http://superuser.com/questions/401900/how-to-block-localhost-connections-with-windows-7-2008r2-firewall says that the windows firewall should not be the problem if you are able to access tor.sx.
• have a look at official documentation.

7. There are directions on changing your ports from 9150/9151 to others at https://trac.torproject.org/projects/tor/ticket/13150

8. download TAILS to a USB stick and boot from it to use Tor.

That is a local problem which is probably related to your firewall. The control ports which need to be tunneled through the firewall are 9150 and 9151.

1. see http://superuser.com/questions/611620/firewall-blocks-localhost-but-only-if-its-turned-on where the problem is in the hosts file.
2. http://superuser.com/questions/401900/how-to-block-localhost-connections-with-windows-7-2008r2-firewall says that the windows firewall should not be the problem if you are able to access tor.sx.
3. have a look at official documentation.

That is a local problem which is probably related to your firewall. The control ports which need to be tunneled through the firewall are 9150 and 9151.

1. see http://superuser.com/questions/611620/firewall-blocks-localhost-but-only-if-its-turned-on where the problem is in the hosts file.
2. http://superuser.com/questions/401900/how-to-block-localhost-connections-with-windows-7-2008r2-firewall says that the windows firewall should not be the problem if you are able to access tor.sx.
3. have a look at official documentation.
4. see if the problem occurs in Safe Mode with Networking (press F8 while starting to access)
5. try the TBB on a friend's computer to see if you have the same problem
6. download TAILS to a USB stick and boot from it to use Tor.