Foxit Reader leaves the following registry key after a run if dictionary/spell-check function is used.
HKCU\Software\Wintertree
Also it leaves a folder
%APPDATA%\Foxit Software\Foxit PhantomPDF\SpellCheck
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Foxit Reader leaves the following registry key after a run if dictionary/spell-check function is used.
HKCU\Software\Wintertree
Also it leaves a folder
%APPDATA%\Foxit Software\Foxit PhantomPDF\SpellCheck
I've noted this for fix in the next update.
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This is fixed in today's release of Foxit Reader Portable 6.2.2.0802
Sometimes, the impossible can become possible, if you're awesome!