When trying to add a raster layer (georeferenced jpg-files) QGIS becomes non-responsive. I have tested the jpgs and they are not corrupted, sometimes they appear and it works for a little while before QGIS freezes and somtimes the programme freezes while loading the images. I am using the latest version 2.12 Lyon, but had the same problem with Lisboa. My PC has 7GB ram and the jpgs are not larger than 16 to 20mb. I have loaded images in QGIS before, without problems.

Any suggestions to why QGIS becomes non-responsive?

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    What OS are you working on and from which source is your QGIS being installed? – Crischan Nov 2 '15 at 15:59
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    Can you share a sample image or at least add what gdalinfo reports about one image? – user30184 Nov 2 '15 at 16:01
  • Are you sure that your QGIS is not blocked by antyvirus/firewall or run isolated? – Artec Mar 7 '16 at 12:47
  • Do you mean you only have 7GB available RAM or just in total? Because this seems to be a very unusual amount of RAM. Most crashes/freezes have to do with RAM indeed and I would recommend checking if you are using your RAM at max cappacity. – Konan Pruiksma Dec 15 '16 at 13:23