最近也碰到相同的困擾，在網路上找到方法
下面請自行修改遊戲安裝資料夾
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Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Electronic Arts\Need for Speed Carbon]
"DisplayName"="Need for Speed Carbon"
"Installed From"="J:\\"
"Registration"="SOFTWARE\\Electronic Arts\\Electronic Arts\\Need for Speed Carbon\\ergc"
"CacheSize"="5747960832"
"SwapSize"="73400320"
"Language"="Chinese (Traditional)"
"Locale"="zh_tw"
"CD Drive"="J:\\"
"Install Dir"="D:\\Game\\NFSC\\"
"Product GUID"="{259C0ABB-A3B2-4D70-008F-BF7EE491B70B}"
"Region"="zh-tw"
"Folder"="C:\\Documents and Settings\\All Users\\「開始」功能表\\程式集\\Electronic Arts\\Need for Speed Carbon\\"
"Patch URL"="http://patches.ea.com/nfs_carbon/home.html "
"Suppression Exe"=""
"VERSION"=dword:00000001
"SIZE"=dword:00000064
"g_CarEnvironmentMapEnable"=dword:00000001
"g_RoadReflectionEnable"=dword:00000000
"g_MotionBlurEnable"=dword:00000000
"g_ParticleSystemEnable"=dword:00000001
"g_WorldLodLevel"=dword:00000000
"g_CarLodLevel"=dword:00000000
"g_FSAALevel"=dword:00000000
"g_RainEnable"=dword:00000000
"g_TextureFiltering"=dword:00000000
"g_RacingResolution"=dword:00000001
"FirstTime"=dword:00000000
"g_PerformanceLevel"=dword:00000005
"g_VSyncOn"=dword:00000000
"g_ShadowDetail"=dword:00000000
"g_VisualTreatment"=dword:00000001
"g_Brightness"=dword:00000034
"g_ShaderDetailLevel"=dword:00000001
"g_AudioMode"=dword:00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Electronic Arts\Need for Speed Carbon\1.0]
"Language"=dword:00000012
"DisplayName"="Need for Speed Carbon"
"LanguageName"="Chinese (Traditional)"
===============================


下面登錄檔關係到能不能讀取之前紀錄，自行把序號填上共20碼
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Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Electronic Arts\Electronic Arts\Need for Speed Carbon\ergc]
@="XXXXXXXXXXXXXXXXXXXX"