tpshocks.exe is a process associated with the hard driver active protection on IBM Thinkpads. In case of rapid movements the hard drive is put on a protection mode to make sure no damage is done to the data.
This process is essential for the correct running of the software so it is not to be removed.
Non-system processes like tpshocks.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that over time your registry suffers fragmentation and accumulates invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues