Forum Discussion
oconobee
Dec 09, 2025Copper Contributor
Trying to MSIX package LOB application that needs TWAIN access
So I think this isn't possible but I just wanted to ask. I've a LOB application that needs to access TWAIN scanning devices. How this works in a normal environment is that the TWAINDSM.dll (TWAI...
Jan 21, 2026
All this breaks down in an MSIX environment because the container doesn't have access to C:\windows\twain_32\ManfactureDriverN folder
Well, as written that isn't true. The app running in the MSIX container would have access to that folder, whether or not it is inside the package or on the native system.
More likely, you are attempting to install the twain driver as part of the package. The kernel cannot see your driver as MSIX does not support drivers of any kind being inside the package. If you treat the driver as an independent dependency, the driver may be installed natively and the application inside the MSIX container may then use it.
Make sense?