Error while building cuda samples

Hello.
I’m new with cuda and I have the probleme, that I can’t build the cuda Samples.
I’m using VirtualStudios 2019 and cuda 10.1 Update 2.
This is what stands in the log:

Compiling CUDA source file fluidsD3D9_kernels.cu…

C:\ProgramData\NVIDIA Corporation\CUDA Samples\v10.1\5_Simulations\fluidsD3D9>“C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\bin\nvcc.exe” -gencode=arch=compute_30,code="sm_30,compute_30" -gencode=arch=compute_35,code="sm_35,compute_35" -gencode=arch=compute_37,code="sm_37,compute_37" -gencode=arch=compute_50,code="sm_50,compute_50" -gencode=arch=compute_52,code="sm_52,compute_52" -gencode=arch=compute_60,code="sm_60,compute_60" -gencode=arch=compute_61,code="sm_61,compute_61" -gencode=arch=compute_70,code="sm_70,compute_70" -gencode=arch=compute_75,code="sm_75,compute_75" --use-local-env -ccbin “C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.22.27905\bin\HostX86\x64” -x cu -I./ -I…/…/common/inc -I./ -I"C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1/include" -I…/…/common/inc -I"C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\include" -I"C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\include" -G --keep-dir x64\Debug -maxrregcount=0 --machine 64 --compile -cudart static -Xcompiler “/wd 4819” -g -DWIN32 -DWIN32 -D_MBCS -D_MBCS -Xcompiler “/EHsc /W3 /nologo /Od /Fdx64/Debug/vc142.pdb /FS /Zi /RTC1 /MTd " -o x64/Debug/fluidsD3D9_kernels.cu.obj “C:\ProgramData\NVIDIA Corporation\CUDA Samples\v10.1\5_Simulations\fluidsD3D9\fluidsD3D9_kernels.cu”
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\BuildCustomizations\CUDA 10.1.targets(764,9): error MSB3721: Der Befehl ““C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\bin\nvcc.exe” -gencode=arch=compute_30,code="sm_30,compute_30" -gencode=arch=compute_35,code="sm_35,compute_35" -gencode=arch=compute_37,code="sm_37,compute_37" -gencode=arch=compute_50,code="sm_50,compute_50" -gencode=arch=compute_52,code="sm_52,compute_52" -gencode=arch=compute_60,code="sm_60,compute_60" -gencode=arch=compute_61,code="sm_61,compute_61" -gencode=arch=compute_70,code="sm_70,compute_70" -gencode=arch=compute_75,code="sm_75,compute_75" --use-local-env -ccbin “C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.22.27905\bin\HostX86\x64” -x cu -I./ -I…/…/common/inc -I./ -I"C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1/include” -I…/…/common/inc -I"C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\include” -I"C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\include" -G --keep-dir x64\Debug -maxrregcount=0 --machine 64 --compile -cudart static -Xcompiler “/wd 4819” -g -DWIN32 -DWIN32 -D_MBCS -D_MBCS -Xcompiler “/EHsc /W3 /nologo /Od /Fdx64/Debug/vc142.pdb /FS /Zi /RTC1 /MTd " -o x64/Debug/fluidsD3D9_kernels.cu.obj “C:\ProgramData\NVIDIA Corporation\CUDA Samples\v10.1\5_Simulations\fluidsD3D9\fluidsD3D9_kernels.cu”” wurde mit Code 1 beendet.