Should I block it?
No, this file is 100% safe to run.
Additional versions
Relationships
TPKNRSVC.exe
ThinkVantage Communications Utility by Lenovo(Japan)Ltd. (Signed)
| Version: | 4.1.15.100 |
| MD5: | e999bf9705c29bfa093eea9731111ac9 |
| SHA1: | ce05ec6c4aa900e1ae21603b7dc09c6015f1d7fe |
Overview
tpknrsvc.exe runs as a service under the name Lenovo AVFramework Microphone Volume Controller and Dolby Interface (LENOVO.TPKNRSVC) with extensive SYSTEM privileges (full administrator access). The file is digitally signed by Lenovo(Japan)Ltd. which was issued by the VeriSign certificate authority (CA).
Details
| File name: | tpknrsvc.exe |
| Publisher: | Lenovo Group Limited |
| Product name: | ThinkVantage Communications Utility |
| Description: | Microphone volume control service |
| Typical file path: | C:\Program Files\lenovo\communications utility\tpknrsvc.exe |
| File version: | 4.1.15.100 |
| Size: | 515.55 KB (527,920 bytes) |
| Build date: | 11/25/2013 12:06 AM |
| Certificate |
| Issued to: | Lenovo(Japan)Ltd. |
| Authority (CA): | VeriSign |
| Digital DNA |
| File packed: | No |
| .NET CLR: | No |
More details
Behaviors
Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
- 'LENOVO.TPKNRSVC' (Lenovo AVFramework Microphone Volume Controller and Dolby Interface)
- LENOVO.TPKNRSVC
Resource utilization
(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
| CPU |
| Total CPU: | 0.00000206% | |
| Kernel CPU: | 0.00000206% | |
| Kernel CPU time: | 47 ms/min | |
| CPU cycles: | 641/sec | |
| Memory |
| Private memory: | 1.77 MB | |
| Private (maximum): | 4.71 MB | |
| Private (minimum): | 88 KB | |
| Non-paged memory: | 1.77 MB | |
| Virtual memory: | 44.57 MB | |
| Virtual memory (peak): | 45.84 MB | |
| Working set: | 1.21 MB | |
| Working set (peak): | 4.73 MB | |
| Page faults: | 12,238/min | |
| I/O |
| I/O read transfer: | 0 Bytes/sec | |
| I/O read operations: | 1/sec | |
| I/O write transfer: | 0 Bytes/sec | |
| I/O write operations: | 1/sec | |
| I/O other transfer: | 0 Bytes/sec | |
| I/O other operations: | 1/sec | |
| Resource allocations |
| Threads: | 4 | |
| Handles: | 83 | |
Process properties
| Integrety level: | System |
| Platform: | 64-bit |
| Command line: | "C:\Program Files\lenovo\communications utility\tpknrsvc.exe" |
| Owner: | SYSTEM |
| Windows Service |
| Service name: | LENOVO.TPKNRSVC |
| Display name: | Lenovo AVFramework Microphone Volume Controller and Dolby Interface |
| Description: | “Handles microphone volume management, Dolby-related features and keyboard noise reduction functions for Lenovo AVFramework.” |
| Type: | Win32OwnProcess |
| Parent process: | services.exe (by Microsoft) |
Distribution by Windows OS
| OS version | distribution |
| Windows 7 Professional |
33.33% |
|
| Windows 8 Pro |
16.67% |
|
| Windows 8 |
16.67% |
|
| Windows 7 Enterprise |
16.67% |
|
| Windows 7 Ultimate |
16.67% |
|
Distribution by country
United States installs about 33.33% of ThinkVantage Communications Utility.
Distribution by PC manufacturer
| PC Manufacturer | distribution |
| Lenovo |
100.00% |
|
