gnutls_handshake() failed after using Tor Browser

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http://askubuntu.com – After using Tor Browser, I can't use apt-get update and git pull. I downloaded Tor Browser source(I didn't install it) and opened it and used it. After using Tor browser I've noticed that I can't use git pull and apt-get update because of this error: gnutls_handshake() failed: A TLS packet with unexpected length was received. Err https://private-ppa.launchpad.net precise/main i386 Packages I've even changed gnutls to openssl but it still didn't work. Unknown SSL protocol error in connection to gerrit.wikimedia.org:443 while accessing https://gerrit.wikimedia.org/r/p/mediawiki/core.git/info (HowTos)