Processing plugin starts with Python error

[qgib]

Author Name: Janos Meszaros (Janos Meszaros)
Original Redmine Issue: 12528
Affected QGIS version: 2.8.1
Redmine category:processing/core
Assignee: Victor Olaya

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After the upgrade of Processing plugin to 2.9 version on QGIS 2.8.1, it pops up a window with Python error when QGIS starts:
IOError: [Errno 2] No such file or directory: 'nul'

The 'Null' entry in 'not Plug and Play Drivers' and values in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet?\services\Null were also checked and everything seemed to be configured right.

Total log file was attached as a text file.

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• processing_error_atstart.txt (Janos Meszaros)

[qgib]

Author Name: Giovanni Manghi (@gioman)

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cannot confirm here on the same platform, please try removing the .qgis2 (after eventually make a copy of it) and upgrading again Processing. Thanks.

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• status_id was changed from Open to Feedback
• priority_id was changed from Severe/Regression to Normal

[qgib]

Author Name: Janos Meszaros (Janos Meszaros)

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Thank you for the info but unfortunately it didn't help. What I also tried before:
Total reinstall of QGIS and other OSGIS software using OSGeo4W installer advanced mode ->not helped
Reinstall Processing plugin manually using the zipped version from plugins website -> not helped
Your suggestion with .qgis2 folder -> not helped

I think this problem somehow related only to my notebook and environment because I didn't find this or similar issue searching on various OSGIS related websites...

[qgib]

Author Name: Giovanni Manghi (@gioman)

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I think this problem somehow related only to my notebook and environment because I didn't find this or similar issue searching on various OSGIS related websites...

seems a local issue to me too.

[qgib]

Author Name: Janos Meszaros (Janos Meszaros)

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Yes, I confirm that it was related to my Win 7 environment. After a total Win 7 reinstall everything works as it has. Please close this issue or delete to not confuse other people.

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• status_id was changed from Feedback to Closed
• resolution was changed from to invalid

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• category_id was changed from 94 to Processing/Core