Am 06.04.18 um 11:51 schrieb Patrick Dunford:
If you expect to double click a project file and Qgis opens, then only
one version of Qgis can be registered for .qgs file extension at a time.
True, but you can switch that at any time:
https://gis.stackexchange.com/questions/273742/set-qgis-2-18-
If you expect to double click a project file and Qgis opens, then only
one version of Qgis can be registered for .qgs file extension at a time.
I am sure this is the same on most OSs.
Other things to look at can be the value of some of the environmental
variables listed in the batch file and w