Please follow these to install CuteChat to SharePoint :

(remember reset the IIS after you modify the web.confg)

 

Installation :

copy Extends\ForSharePoint\CuteChat.SPLib\bin\debug*.dll to [website]\bin

copy Extends\ForSharePoint\CuteChat.SPLib\bin\*.dll to
C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\60\TEMPLATE\LAYOUTS\BIN

copy CuteChat.Web/CuteChat to
C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\60\TEMPLATE\LAYOUTS
copy Extends\ForSharePoint\Files\SPRooms.aspx to
C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\60\TEMPLATE\LAYOUTS

merge CuteChat.Web/web.config to [website]\web.config
set <trust level="Full" originUrl="" />
add <SafeControl Assembly="CuteChat.SPLib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c0a0a6fda29c0c66" Namespace="CuteChat.SPLib" TypeName="*" Safe="True" />

 

reset the IIS now

browser SharePoint , upload Extends\ForSharePoint\Files\SPLib.dwp for SharePoint WebPart Library

add the CuteChat WebPart to the page,and click Edit Rooms.