New answers tagged windows-7
Looks like you may not have GDAL installed, ogr2poly.py will not work without it. Download either the 32-bit or 64-bit GDAL installers, depending on your system. You need to install the GDAL core, and then the GDAL Python bindings.
QGIS Dufour or QGIS Valmiera already installed Start -> Control Panel -> Programs and Functions
As mentioned by @AlexTereshenkov installing a 64bit version of Python 2.7.3 with ArcGIS Desktop 9.3 is ill advised. If you uninstall ArcGIS Desktop and Python, and then let ArcGIS Desktop install Python for you I suspect you will be up and running within an hour. As you can see from the System Requirements for ArcGIS Desktop 9.3/9.3.1 the Python version ...
I don't know of a way to do what you want, but I would suggest turning on the System Protection capability on Windows. It's saved me a couple times. If the folder you deleted was inside another folder, right click on it and check the Previous Versions tab. Find an older date and click on the Open button. Maybe you'll get lucky and System Protection was ...
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