Hello,
We get this error only on 1 machine (on others 64bit or 32 bit, install work fine).
We have admin right.
We tried 14.0 and 2.1 version.
Look like this error
Here's the log
DIFXAPP: ENTER: InstallDriverPackages()
DIFXAPP: INFO: 'CustomActionData' property 'DIFxApp Version' is '2.1'.
DIFXAPP: INFO: 'CustomActionData' property 'UI Level' is '2'.
DIFXAPP: INFO: 'CustomActionData' property 'componentId' is '{C9A9145B-1F11-4601-81B6-223B2D06A7A9}'.
DIFXAPP: INFO: 'CustomActionData' property 'componentPath' is 'C:\Program Files (x86)\National Instruments\NI-845x\staging\'.
DIFXAPP: INFO: 'CustomActionData' property 'flags' is 0x17.
DIFXAPP: INFO: 'CustomActionData' property 'installState' is '2'.
DIFXAPP: INFO: 'CustomActionData' property 'ProductName' is 'NI-845x Runtime 14.0 (64-bit)'.
DIFXAPP: INFO: 'CustomActionData' property 'ManufacturerName' is 'National Instruments'.
DIFXAPP: INFO: user SID of user performing the install is 'S-1-5-21-1511572912-2898094393-198222405-155698'.
DIFXAPP: INFO: opening HKEY_USERS\S-1-5-21-1511572912-2898094393-198222405-155698\Software\Microsoft\Windows\CurrentVersion\DIFxApp\Components\{C9A9145B-1F11-4601-81B6-223B2D06A7A9} (User's SID: 'S-1-5-21-1511572912-2898094393-198222405-155698') ...
DIFXAPP: INFO: ENTER: DriverPackageInstallW
DIFXAPP: INFO: RETURN: DriverPackageInstallW (0xE0000100)
DIFXAPP: ERROR: encountered while installing driver package 'C:\Program Files (x86)\National Instruments\NI-845x\staging\ni845x_vista.inf'
DIFXAPP: ERROR: InstallDriverPackages failed with error 0xE0000100
DIFXAPP: RETURN: InstallDriverPackages() 3758096640 (0xE0000100)