I use 2.05 / 150310 and please have a look an the attached screenshot.
With the ComfortUpdate / Step 2, I see a file (between the red and the black text) with a point in front but without a name.
At the moment I have no chance to change the access permission of this file.
I run to about similar state with update to latest version of 2.5 60908 . Update to latest version of 2.06 worked fine but consequent update to version of 2.5 stops at step of file check eventhough I already changed permission of all reported files and box for reporting files witch are not writable is empty - see attachment. There must be some hidden check or something. When I tried update on localhost it went through just fine.
Any idea what may be a reason and how to solve it?