What is knworker.exe?
knworker.exe is part of KeyShot Network Worker and developed by KeyShot according to the knworker.exe version information.
knworker.exe's description is "KeyShot Network Worker 2026.1"
knworker.exe is digitally signed by KeyShot.
knworker.exe is usually located in the 'c:\users\%USERNAME%\fs.exe\' folder.
If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.
Vendor and version information [?]
The following is the available information on knworker.exe:
| Property | Value |
|---|---|
| Product name | KeyShot Network Worker |
| Company name | KeyShot |
| File description | KeyShot Network Worker 2026.1 |
| Internal name | KeyShot Network Worker |
| Legal copyright | Copyright KeyShot (C) |
| Legal trademark | All Rights Reserved |
| File version |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | KeyShot Network Worker |
| Company name | KeyShot |
| File description | KeyShot Network Worker 2026.1 |
| Internal name | KeyShot Network Worker |
| Legal copyright | Copyright KeyShot (C) |
| Legal trademark | All Rights Reserved |
| File version |
Digital signatures [?]
knworker.exe has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | KeyShot |
| Certificate issuer name | Microsoft ID Verified CS EOC CA 04 |
| Certificate serial number | 3300008570a8265bfa756a9ba0000000008570 |
VirusTotal report
The file has been queued for scanning by the anti-virus programs at VirusTotal. The results will be available here in approximately 10 minutes. Thank you for your patience.
TCP/UDP Listening Ports [?]
knworker.exe has been reported to listen on the following TCP/UDP ports.
| Port | Protocol | # Occurrences |
|---|---|---|
| 7814 | UDP v4 | 1 |
Hashes [?]
| Property | Value |
|---|---|
| MD5 | 15a362ddfa9607008537bb10cc022161 |
| SHA256 | 495f39cb7954d3183af2655e391024b7a98c160e0ad95d3d39cd84e58821124a |
Error Messages
These are some of the error messages that can appear related to knworker.exe:
knworker.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
knworker.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.
KeyShot Network Worker 2026.1 has stopped working.
End Program - knworker.exe. This program is not responding.
knworker.exe is not a valid Win32 application.
knworker.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.
What will you do with knworker.exe?
To help other users, please let us know what you will do with knworker.exe:
What did other users do?
The poll result listed below shows what users chose to do with knworker.exe. 50% have voted for removal. Based on votes from 2 users.
NOTE: Please do not use this poll as the only source of input to determine what you will do with knworker.exe. Only 2 users has voted so far so it does not offer a high degree of confidence.
Malware or legitimate?
If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.
And now some shameless self promotion ;)
Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.
If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.
Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.
No comments posted yet.