Dear Brian and Bob,

When installing GSAS-II on a Windows machine, I follow the link and end 
up at, but then nothing. I 
get a blank screen and no download started. I am using firefox, have 
reloaded and retried. Could the link be down?

best regards,


On 12/08/17 06:41, Toby, Brian H. wrote:
> Today we posted version 3000 of GSAS-II(!) This makes the previous “2 frame” 
> version of GSAS-II, available for testing, into the standard release. If you 
> have not seen it, what has happened is that we have combined the “data tree” 
> and “data editing” windows into a single window, so now GSAS-II creates only 
> two windows, one for plots/graphics and the other for the GUI. (N.B. Frame is 
> the wxPython name for a window, which is why we called this “2 frame”). All 
> comments we have gotten on this change have been positive. Note that we 
> recommend running GSAS-II so that output goes to a cmd/terminal window so 
> there is an additional display-only window for error and status messages.
> If you previously used the help menu to switch to the test “2frame” version, 
> when you make your next update (soon, we suggest), it should switch back to 
> the standard “trunk” version. If you are still using the old version with 
> separate windows, we suggest updating right away. Either way, GSAS-II from 
> this point forward will have the two GUI windows combined. Also, starting 
> with version 3002, the help option to switch to the test/standard version 
> should disappear from the menu.
> There have been some other fairly recent changes. One is that GSAS-II 
> refinements have gotten about a factor of two faster. Also, to reduce the 
> size of the GSAS-II download, we no longer include binary files for all 
> platforms in the standard installation. Instead running the or 
> file will download one set of binaries matching the platform you 
> are using. If you are hosting a GSAS-II installation on a server for multiple 
> platforms, you will likely want to install all the binaries. To do that use 
> the -server option (step #8 on 
> Note, if 
> you installed GSAS-II with a admin account, you need to run it (or 
> from that admin account to perform upgrades. If you upgrade 
> from inside GSAS-II, the first time you run it, it will install the 
> appropriate binary files, so you will likely need to run GSAS-II once from 
> that admin account so that it can write to the subdirectory where the binary 
> files will be installed.
> These changes will likely introduce some unintended consequences (aka bugs). 
> Please let us know about them.
> Brian (& Bob)
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