Dont know if this is an issue with the C2 core, or the Clay.io plugin i installed, but i'll report it anyhow. Shortly after i installed the Clay.io plugin, i get the following error message when starting construct.
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Construct 2 Check failure
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Check failure! This is probably a bug:
ACE table: Expression ID duplicated in ACE table
Condition: exp_ids.find(id) == exp_ids.end()
File: c:\c2\source\exporters\html5\..\..\common\ERAHelpers.h
Line: 254
Function: void __cdecl era::ACETable::AddExpression(int,int,const class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > &,const class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > &,const class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > &,const class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > &,void (__cdecl *)(const class era::StaticResult **,int,class era::StaticEvaluation *))
Build: release 115 (64-bit) checked
Component: HTML5 exporter
(Last Win32 error: 0)
You are using a 'checked' release of Construct 2, intended for testing, which causes certain errors to be reported this way. Hit Ctrl+C to copy this messagebox - it's useful information for the developers, so please include it with any bug reports! Click 'Abort' to quit (unsaved data will be lost!),'Retry' to turn off messages for this session and continue, or 'Ignore' to continue normally.
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Abort Retry Ignore
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Probably the plugin, but not sure! 
Ashley 
robert 
austin