wcescomm.exe is the Windows synchronization manager for Windows CE-based handhelds. It is used to synchronize the content on your handheld with your PC.
Stopping this process when your PC is connected to your handheld may cause errors so it is recommended not to remove it.
Non-system processes like wcescomm.exe 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