# Update/DownloadPsychtoolbox use broken github URL **URL:** \ **Category:** Uncategorized\ **Created:** [May 28, 2019, 10:36pm UTC](https://psychtoolbox.discourse.group/t/update-downloadpsychtoolbox-use-broken-github-url/28 "2019-05-28T22:36:47Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![denispelli](https://avatars.discourse-cdn.com/v4/letter/d/cdc98d/32.png) [@denispelli](https://psychtoolbox.discourse.group/u/denispelli)\ **Post date:** [May 28, 2019, 10:36pm UTC](https://psychtoolbox.discourse.group/t/update-downloadpsychtoolbox-use-broken-github-url/28/1 "2019-05-28T22:36:47Z")
My attempts to use Update/DownloadPsychtoolbox (downloaded fresh from psychtoolbox website) are failing with this error: svn: E175002: Unable to connect to a repository at URL '[https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox](https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox)' svn: E175002: OPTIONS of '[https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox](https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox)': SSL handshake failed: SSL error: tlsv1 alert protocol version ([https://github.com](https://github.com)) Sorry, the download command "CHECKOUT" failed with error code 1: When ask Google Chrome to open that page in Github: [https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox](https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox) I get error 410, Page not found. | | | ![photo](https://ec.yimg.com/ec?url=https%3A%2F%2Fs3.amazonaws.com%2Fucwebapp.wisestamp.com%2F887691c9-4947-4f2c-9c88-27e316257a00%2F032_Colorcropped.format_png.resize_200x.png%23logo&t=1575346019&sig=dfPuMKC..fXVP4jwxYo5Og--~E) | | **Denis Pelli** Professor of Psychology & Neural Science, New York University | +1-646-258-7524| [denis.pelli@...](mailto:denis.pelli@...) | | [http://psych.nyu.edu/pelli/](http://psych.nyu.edu/pelli/)| Skype: denispelli | | | [http://denispelli.com](http://denispelli.com) | | [![](https://ec.yimg.com/ec?url=https%3A%2F%2Fdn3tzca2xtljm.cloudfront.net%2Fsocial_icons%2F16px%2Ffacebook.png&t=1575346019&sig=.SOKubA8W0vpSKjCoLaSxQ--~E)](http://www.facebook.com/denispelli) | [![](https://ec.yimg.com/ec?url=https%3A%2F%2Fdn3tzca2xtljm.cloudfront.net%2Fsocial_icons%2F16px%2Flinkedin.png&t=1575346019&sig=2YC.6FLTlQXi2UP0Km.t_w--~E)](http://www.linkedin.com/in/denispelli/) | [![](https://ec.yimg.com/ec?url=https%3A%2F%2Fdn3tzca2xtljm.cloudfront.net%2Fsocial_icons%2F16px%2Ftwitter.png&t=1575346019&sig=NR6e_ftF0fsTsmrDB3Z2Lw--~E)](http://twitter.com/denispelli) | | | | | | ---
**Author:** ![mariokleiner](https://avatars.discourse-cdn.com/v4/letter/m/13edae/32.png) [@mariokleiner](https://psychtoolbox.discourse.group/u/mariokleiner)\ **Post date:** [May 29, 2019, 12:33am UTC](https://psychtoolbox.discourse.group/t/update-downloadpsychtoolbox-use-broken-github-url/28/2 "2019-05-29T00:33:59Z")
Nope, works fine here. You must have some broken/outdated svn client on your machine, which is rejected for using a too old and thereby insecure SSL version: "SSL handshake failed: SSL error: tlsv1 alert protocol version" -mario On Wed, May 29, 2019 at 12:37 AM Denis Pelli denis.pelli@... [PSYCHTOOLBOX] \ wrote: > \> > \> > \> > \> My attempts to use Update/DownloadPsychtoolbox (downloaded fresh from psychtoolbox website) are failing with this error: > \> > \> svn: E175002: Unable to connect to a repository at URL 'https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox' > \> svn: E175002: OPTIONS of 'https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox': SSL handshake failed: SSL error: tlsv1 alert protocol version (https://github.com) > \> Sorry, the download command "CHECKOUT" failed with error code 1: > \> > \> When ask Google Chrome to open that page in Github: > \> https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox > \> I get error 410, Page not found. > \> > \> Denis Pelli > \> Professor of Psychology & Neural Science, New York University > \> > \> +1-646-258-7524 | denis.pelli@... > \> > \> http://psych.nyu.edu/pelli/ | Skype: denispelli > \> > \> | http://denispelli.com > \> > \> ---
**Author:** ![denispelli](https://avatars.discourse-cdn.com/v4/letter/d/cdc98d/32.png) [@denispelli](https://psychtoolbox.discourse.group/u/denispelli)\ **Post date:** [May 29, 2019, 3:24am UTC](https://psychtoolbox.discourse.group/t/update-downloadpsychtoolbox-use-broken-github-url/28/3 "2019-05-29T03:24:25Z")
Ok. Thx > On Tue, May 28, 2019 at 8:34 PM Mario Kleiner [mario.kleiner.de@...](mailto:mario.kleiner.de@...) [PSYCHTOOLBOX] \<[PSYCHTOOLBOX@yahoogroups.com](mailto:PSYCHTOOLBOX@yahoogroups.com)\> wrote: > > > Nope, works fine here. You must have some broken/outdated svn client > > on your machine, which is rejected for using a too old and thereby > > insecure SSL version: "SSL handshake failed: SSL error: tlsv1 alert > > protocol version" > > > > -mario > > > > On Wed, May 29, 2019 at 12:37 AM Denis Pelli [denis.pelli@...](mailto:denis.pelli@...) > > [PSYCHTOOLBOX] \<[PSYCHTOOLBOX@yahoogroups.com](mailto:PSYCHTOOLBOX@yahoogroups.com)\> wrote: > > \> > > \> > > \> > > \> My attempts to use Update/DownloadPsychtoolbox (downloaded fresh from psychtoolbox website) are failing with this error: > > \> > > \> svn: E175002: Unable to connect to a repository at URL '[https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox](https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox)' > > \> svn: E175002: OPTIONS of '[https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox](https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox)': SSL handshake failed: SSL error: tlsv1 alert protocol version ([https://github.com](https://github.com)) > > \> Sorry, the download command "CHECKOUT" failed with error code 1: > > \> > > \> When ask Google Chrome to open that page in Github: > > \> [https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox](https://github.com/Psychtoolbox-3/Psychtoolbox-3/branches/beta/Psychtoolbox) > > \> I get error 410, Page not found. > > \> > > \> Denis Pelli > > \> Professor of Psychology & Neural Science, New York University > > \> > > \> +1-646-258-7524 | [denis.pelli@...](mailto:denis.pelli@...) > > \> > > \> [http://psych.nyu.edu/pelli/](http://psych.nyu.edu/pelli/) | Skype: denispelli > > \> > > \> | [http://denispelli.com](http://denispelli.com) > > \> > > \> -- Denis Pelli Professor of Psychology & Neural Science, New York University +1-646-258-7524 | [denis.pelli@...](mailto:denis.pelli@...) [http://psych.nyu.edu/pelli/](http://psych.nyu.edu/pelli/) | Skype: denispelli | [http://denispelli.com](http://denispelli.com) Sent from my iphone.