Newest NVIDIA RTX / QUADRO DESKTOP DRIVER- R470 U10 (473.81) doesn't install on Windows

Newest NVIDIA RTX / QUADRO DESKTOP DRIVER- R470 U10 (473.81) doesn’t install. Upon file execution, files are extracted to disk, installation start, but are then immediately after aborted without error messages. No event is written in event viewer either. Files extracted to file systems are deleted.

Attaching debug view shows error loading the MSVCRTExt.dll :

00000729 70.18550873 [129448] 2.053 | ERROR: [NVI2.NVExtension] 129@CNVExtension::InternalLoad : Load of module failed with error Exception {0x80096005 - The timestamp signature and/or certificate could not be verified or is malformed.; GetLastError(); While loading D:\NVIDIA\DisplayDriver\473.81\Win10_64\International\MSVCRT\MSVCRTExt.dll}.
00000730 70.18574524 [129448] 2.054 | ERROR: [NVI2.NVInstaller] 1016@CNVInstaller::AddPackages : COM error: Exception {0x80096005 - The timestamp signature and/or certificate could not be verified or is malformed.; File: NVInstaller.cpp; Line: 1398}.
00000731 70.18588257 [129448] 2.054 | ERROR: [NVI2.InstallThread] 54@CInstallThread::ThreadProc : Install failed - Exception {0x80096005 - The timestamp signature and/or certificate could not be verified or is malformed.; File: InstallationStepper.cpp; Line: 1363} - going to fail state.
00000732 70.18598938 [129448] 2.054 | DEBUG: [NVI2.NVExtension] 89@CNVExtension::InternalLoad : Loading Extension DLL “D:\NVIDIA\DisplayDriver\473.81\Win10_64\International\MSVCRT\MSVCRTExt.dll”.
00000733 70.19865417 [129448] *** WARNING - PE SIGNATURE VERIFICATION FAILED !!!
00000734 70.19865417 [129448] *** Filename:
00000735 70.19868469 [129448] D:\NVIDIA\DisplayDriver\473.81\Win10_64\International\MSVCRT\MSVCRTExt.dll
00000736 70.19873047 [129448]
00000737 70.19873047 [129448] *** Error:
00000738 70.19876099 [129448] 0x80096005
00000739 70.19889069 [129448] 2.067 | ERROR: [NVI2.NVExtension] 129@CNVExtension::InternalLoad : Load of module failed with error Exception {0x80096005 - The timestamp signature and/or certificate could not be verified or is malformed.; GetLastError(); While loading D:\NVIDIA\DisplayDriver\473.81\Win10_64\International\MSVCRT\MSVCRTExt.dll}.
00000740 70.19903564 [129448] 2.067 | DEBUG: [NVI2.NVInstaller] 2372@CNVInstaller::CloseUI : Requesting UI to be closed.