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Corrupt PNGs unreadable - or are they?

Posted: Sat Sep 19, 2009 8:56 pm
by Danny
This is very weird. I was sent 2 PNGs via email, and they arrived in unreadable condition. Now the funny part is, that the thumb-nailer was able to create thumbs for them, but if i tried to open them it xnview tells me there was an "error opening file".

So, why can't i open those pictures when building thumbs is possible?

P.S.: Unfortunately i can't send you those images since they contain personal information.

Re: Corrupt PNGs unreadable - or are they?

Posted: Sat Sep 19, 2009 9:30 pm
by XnTriq
Can you open the images if you deactivate the Ignore read errors setting in Tools » Options » General » Read/Write » General?

You may also want to examine the files with TweakPNG (File » Check Validity).

Re: Corrupt PNGs unreadable - or are they?

Posted: Sun Sep 27, 2009 12:29 am
by Danny
XnTriq wrote:Can you open the images if you deactivate the Ignore read errors setting in Tools » Options » General » Read/Write » General?

You may also want to examine the files with TweakPNG (File » Check Validity).
Sorry for my late reply. I should have tried that, but i've already recovered those files through other means.