Versions

2.31	6.67%
2.20	33.33%
2.11	6.67%
2.01	20.00%
1.07	6.67%
1.03	20.00%
1.03	6.67%

There are 7 versions of tphksvc.exe in the wild, the latest version being 2.31. It is started as a Windows Service called 'On Screen Display' with the name 'TPHKSVC'. In addition, it is run under the context of the SYSTEM account with extensive privileges (the administrator accounts have the same privileges). The average file size is about 79.72 KB. The file is a digitally signed and issued to Lenovo(Japan)Ltd. by VeriSign. Some variations of the file have been seen to be installed with the program On Screen Display from Lenovo. During the process's lifecycle, the typical CPU resource utilization is about 0.0003% including both foreground and background operations, the average private memory consumption is about 2.09 MB with the maximum memory reaching around 3.73 MB. Addionally, typically read and write I/O disk operations is about 385 Bytes per minute for reads and 2 Bytes per minute for writes.

On screen display Fn+Fx handler for On Screen Display utility for Windows displays the result of using of ThinkPad function keys on the desktop screen. This program also provides some enhancements of ThinkPad function keys. Previously, the On Screen Display program was installed during the installation of the ThinkPad Configuration Utility.