I meet problems with the last version of QGIS (Lyon 2.12.3) 64bits on Windows 7.

The software crashes as soon as I load a SHP layer or use SpatiaLite layers (created from OSM data).

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Besides, each time I open QGIS desktop, I get the following error message:

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I tried to uninstall/install again the software, to empty all directories with QGIS stuffs, to empty temp directories, nothing changes.

Moreover, even after unstalling QGIS, when I try to install it again, I get the message that QGIS is still installed on my computer.

I cannot use the app anymore...

Does anyone could help me ?

  • 1
    Perhaps this post might help: How to completely uninstall and remove QGIS 2.8.1?.
    – Joseph
    Commented Feb 16, 2016 at 10:18
  • Hi,Thanks for your help. I tried to uninstall/install QGIS the way it is described in the post but it didn't work... I also tried to install an older version of QGis but it still doesn't work. It's probably a OS system but QGis works very well on my laptop which runs also with Windows 7...
    – Yvanou
    Commented Feb 16, 2016 at 17:01

1 Answer 1


Ok, the problem came from the 64bits version of QGIS. I installed QGIS 32bits instead of 64bits and everything works.

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