I am totally new to Qgis (or GIS in total): My problem is to get two layers in same CRS to do an intersection and further analysis described in the blog of underdark (Groupstat tutorial).
My is the CORINE-AT clip from here: http://www.umweltbundesamt.at/umweltsituation/umweltinfo/opendata/oed_landbedeckung/?cgiproxy_url=http%3A%2F%2Fhttpapp5.umweltbundesamt.at%2Fdata%2Fdataset.jsf%3Bjsessionid%3D2E72E8BB3EB1C39EEBDC124E516B445C%3Fid%3D1
and the country data from DIVA-GIS: http://gadm.org/data/shp/AUT_adm.zip
As far as I could see the CORINE data is in Austrian Lambert and the country data is in WGS84.
I tried to change the CRS via right click to layer, via vector-> define actual projection, change the WGS84 to Austrian Lambert and then save the shape file...
There were always two outcomes: Error in CRS:... or
The layer did not lay on each other (country data is flattened).
However the result when doing the intersecting (or clipping, or anything else) is an empty attribute table.