The i81xdnt5.dll file is a component of the Controller Hub for Intel Graphics Driver that is part of the Intel Graphics Accelerator Drivers for Windows NT created by the Intel Corporation. Drivers are pieces of software that allow your computer to communicate with hardware like printers and graphics cards.
This file is part of a controller hub that works with a graphics hardware driver. You may need to clean your registry if you see errors listing this dynamic link library file. The average Windows user should never have to manually edit the registry, but should regularly run a registry cleaner to keep Windows running smoothly.
The registry contains entries for every file installed on your system so Windows can find and run those files when they are needed. Cleaning the registry means fixing any mistakes that may have crept in during normal use.
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