Failed to generate project file

Hello
I have try to run GenerateProjectFiles.bat to create project files for the engine but i have a problem
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Setting up Unreal Engine 4 project files…
Binding IntelliSense data… 100%
Writing project files… 0%
UnrealBuildTool Exception: System.IO.FileNotFoundException: C:\Program Files\Mic
rosoft Visual Studio 12.0\Common7\Tools../…/VC/bin/amd64\cl.exe
à System.Diagnostics.FileVersionInfo.GetVersionInfo(String fileName)
à UnrealBuildTool.VCEnvironment.FindCLExeVersion(String CompilerExe) dans c:
UnrealEngine-release\Engine\Source\Programs\UnrealBuildTool\Windows\VCEnvironmen
t.cs:ligne 167
à UnrealBuildTool.VCEnvironment…ctor(CPPTargetPlatform InPlatform) dans c:\U
nrealEngine-release\Engine\Source\Programs\UnrealBuildTool\Windows\VCEnvironment
.cs:ligne 64
à UnrealBuildTool.VCEnvironment.SetEnvironment(CPPTargetPlatform Platform) da
ns c:\UnrealEngine-release\Engine\Source\Programs\UnrealBuildTool\Windows\VCEnvi
ronment.cs:ligne 48
à UnrealBuildTool.VCToolChain.GetVCIncludePaths(CPPTargetPlatform Platform) d
ans c:\UnrealEngine-release\Engine\Source\Programs\UnrealBuildTool\Windows\VCToo
lChain.cs:ligne 1409
à UnrealBuildTool.VCProjectFile.WriteProjectFile(List1 InPlatforms, List1 I
nConfigurations) dans c:\UnrealEngine-release\Engine\Source\Programs\UnrealBuild
Tool\System\VCProject.cs:ligne 358
à UnrealBuildTool.ProjectFileGenerator.WriteProjectFiles() dans c:\UnrealEngi
ne-release\Engine\Source\Programs\UnrealBuildTool\System\ProjectFileGenerator.cs
:ligne 1973
à UnrealBuildTool.ProjectFileGenerator.GenerateProjectFiles(String[] Argument
s, Boolean& bSuccess) dans c:\UnrealEngine-release\Engine\Source\Programs\Unreal
BuildTool\System\ProjectFileGenerator.cs:ligne 591
à UnrealBuildTool.UnrealBuildTool.GenerateProjectFiles(ProjectFileGenerator G
enerator, String[] Arguments) dans c:\UnrealEngine-release\Engine\Source\Program
s\UnrealBuildTool\System\UnrealBuildTool.cs:ligne 1249
à UnrealBuildTool.UnrealBuildTool.Main(String[] Arguments) dans c:\UnrealEngi
ne-release\Engine\Source\Programs\UnrealBuildTool\System\UnrealBuildTool.cs:lign
e 1089

GenerateProjectFiles ERROR: UnrealBuildTool was unable to generate project files
Appuyez sur une touche pour continuer…
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could you please tell me where is the problem???