Versions

4.1.15.100	16.67%
4.1.3.0	16.67%
2.01	16.67%
2.0.9.0	16.67%
2.0.8.0	16.67%
2.0.7.0	16.67%

tpknrsvc.exe has 6 known versions, the most recent one is 4.1.15.100. It is started as a Windows Service called 'Lenovo AVFramework Microphone Volume Controller and Dolby Interface' with the name 'LENOVO.TPKNRSVC' and described as “Handles microphone volume management, Dolby-related features and keyboard noise reduction functions for Lenovo AVFramework.”. . 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 207.19 KB. It is an authenticode code-signed executable issued to Lenovo(Japan)Ltd. by the certification authority VeriSign. Some variations of the file have been seen to be installed with the program ThinkVantage Communications Utility from Lenovo. During the process's lifecycle, the typical CPU resource utilization is about 0.0000% including both foreground and background operations, the average private memory consumption is about 1.67 MB with the maximum memory reaching around 4.13 MB. Addionally, typically read and write I/O disk operations is about 746 Bytes per minute for reads and 0 Bytes per minute for writes.