XF 1.5 Unable to Upload Attachment without a bracket ending file name

#1
Hi,

I am unable to upload an attachment on my installation of XF1.5, it gives me this error:

The following error occurred
There was a problem uploading your file.

filenamehereblablabla.jpg

However, this is not an issue when I place a ")" at the end of the file name.
 
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