atkfastuserswitching.exe executes as a process with the local user's privileges typically within the context of its parent atkfusservice.exe (ASUS Fast User Switch Service by ASUSTeK COMPUTER INC). The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). This particular version is usually found on Windows Seven Black Edition (6.1.7600.0).

CPU
Total CPU:	0.00004913%	0.028634%
User CPU:	0.00004913%	0.014873%
Memory
Private memory:	3.21 MB	21.59 MB
Private (maximum):	6.69 MB
Private (minimum):	156 KB
Non-paged memory:	3.21 MB	21.59 MB
Virtual memory:	80.23 MB	140.96 MB
Virtual memory (peak):	82.3 MB	169.69 MB
Working set:	460 KB	18.61 MB
Working set (peak):	6.69 MB	37.95 MB
Resource allocations
Threads:	3	12
Handles:	68	600
GUI GDI count:	18	103
GUI GDI peak:	20	142
GUI USER count:	11	49
GUI USER peak:	11	71