Fix Foxit Reader/PhantomPDF Security Warning : Foxit has been opened by the Following App without an Valid Signature

   This security warning is very annoying because it shows up every time I opened my pdf documents from IDM. It didn't show up when I open the pdf from explorer, but from another application it showed up everytime. The checkbox "Remember your choice for this application" is not working. So, after some little search and experiments, I found out how to disable the security warning. Here is how it is...

1. Your PC user name must have no white space. So remove white space your username (ex: from Alex Sanchez to AlexSanchez). Haven't try yet, just my theory. Or maybe you can try install foxit on a PC that has no white space in it's user name.

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