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Unable to upload PNG images by Internet Explorer 11

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thanatos

Chevereto Member
I have just installed the latest V3 version, and I found that PNG files cannot be uploaded via IE11 (Windows 7 Ultimate x86). I have tested the drag & drop feature and the "browser from your computer" feature. All of them doesn't work.

I met the same issue on the official live demo site. Does it mean that Internet Explorer 11 is not supported?
 
Internet Explorer 11 should work, I've the same ie on Windows 8 and maybe some javascript is causing conflicts in that function.
 
Just tested IE11 and it works fine with PNG images. Maybe you are using corrupted PNG files or something like that. Are you able to upload those PNG images using another browser?
 
Just tested IE11 and it works fine with PNG images. Maybe you are using corrupted PNG files or something like that. Are you able to upload those PNG images using another browser?
Of course, I can upload PNG images by using other browsers, such as Firefox and Chrome.
My PNG images are usually screenshot taken by printscreen and saved by mspaint or taken by Techsmith Snagit.
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IE11 on my Windows 2008 R2 works fine. Maybe it only happens on IE11 for Win7.
 
We need more test to say that this is a real issue and not just local computer acting weird. I'm in the same page as Gunz, IE11 works fine for me with PNG images.
 
Now I can make sure it's a local computer issue according to this page: http://www.winhelponline.com/articl...played-on-Web-sites-in-Internet-Explorer.html
Some softwares installed on my computer deleted the MIME information in the registry HKEY_CLASSES_ROOT\.png .
There were two string values, "Content Type: image/png" and "PerceivedType: image", but they have disappeared for a long time.
After I manually added them back, I can upload PNG files without any problems.

Maybe the technique used by Chevereto is highly relying on this information.
I don't have such issues when I used photobucket, imageshack, imgur and so on.
It's fine because it might be one of the standard way to write programs, so you could mark the thread as invalid.
 
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