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Versions of Cura after 14.01 Dont slice / Function! Please help

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Been getting back into using the Ultimaker and still using Cura 14.01. I recall we did not update due to this issue before.

So thought we would let a few itteratons pass before trying again. Just tried with 15.04 and same issue. All looks good except part wont slice. Save button is greyed out and you see a quick 0.5 second flash of the build progress bar. Layer view shows 1 or zero layers.

Please help as would like to be using the latest version.

Win7 PC. Quad core with Ram Spare.



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Seems that if i turn off my firewall Cura behaves as it should. Can anyone advise of the actual process I am looking for other than Cura to give permissions? I have permitted Cura.exe or what ever but that doesn't do the trick. so far only running without a firewall is the workaround.

Any help appreciated.


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