sslsdkui.dll is a SSLSDK_B
belonging to Citrix SSL SDK
from Citrix Systems, Inc.
Non-system processes like sslsdkui.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you
check your registry to identify slowdown issues.