[Qgis-community-team] qgis_app.dll is missing (QGIS 2.12)

[Jochen Albrecht]

I am getting an odd error on my 64-bit Win 8 machine trying to run QGIS
2.12. Nothing happens when I try to run is as a regular user. when I run it
with administration privileges I get a Windows error "*The program can't
start because qgis_app.dll is missing from your computer*". It is indeed
missing - but this does not prevent the same program from running on my
Windows 7 machine.
I then just copied the whole QGIS Lyon folder from the working computer to
the Win 8 one - and am still getting the same error.
I am sure it has to do with some other software (latest PostGIS for
instance?) being installed on my Win 8 machine but the error message is too
obtuse for me to have a clue what I could/should do next to remove the
obstacle.
Cheers,
     Jochen
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