Known issues in Windows beta 2

mmhmm for Windows beta is currently in a closed, invitation-based beta program, to add yourself to the waitlist you can do so at the bottom of this page


If you are experiencing any of these issues or any others, please send your logs to with your computer specs and the associated logs with each issues --  here are the types of logs to send:

Activity Log

If the application is running and responsive

    1. Open the application
    2. Click on the hamburger menu
    3. Click on “Help > Activity Log” 
    4. Windows Explorer window opens
    5. Share “ActivityLog.log” file

If the application can’t be open or crashes

    1. Press and hold on “Windows”/“Start” and “R” keyс
    2. The “Run” window opens
    3. Type “%localappdata%\” and press enter
    4. Windows Explorer window opens at directory path similar to this “C:\Users\<user name>\AppData\Local”
    5. Open “mmhmm Beta” folder
    6. Open “logs” folder
    7. Share “ActivityLog.log” file

Core Log

  1. Press and hold on “Windows”/“Start” and “R” keyс
  2. The “Run” windows opens
  3. Type “%localappdata%\” and press enter
  4. Open “mmhmm” folder
  5. Open “MmhmmVirtualCamera”
  6. Share “debug.txt” file

Installation Log

The easiest way to open the directory is to press the start key and type run . In the Run Window type %temp%  and hit OK which will open the Windows explorer at the path that will look like this C:\Users\<user name>\AppData\Local\Temp' The log file we are looking for is named like MSI<letter and numbers>.lo.


Here are the currently known issues for mmhmm for Windows version 0.2

App crashing when adding a Screen Share Slide


When adding a Screen Share slide, the app freezes indefinitely or crashes. 

Solution: TBD, please send Activity Logs to 


Oops! Something went wrong! Error popping up after downloading the app

E31C0EAA07BC4E0E84B8AFDEAE28E53F.pngSolution: TBD, please send Activity and Installation Logs to 


MSI Installation Error


Solution: TBD, but try to ensure that Windows Installer service is running.

  1. Go to Start and click on Control Panel.
  2. Go to Administrative Tools.
  3. Click on Services and scroll to Windows Installer.
  4. Double click to bring up the service.
  5. Check to see if the startup type is set to Manual.
  6. Service status is usually stopped.
  7. Try and start the Windows Installer service.

Additionally, send Installer Logs and the size of the installer file to 


Your system does not meet minimum requirements needed to run mmhmm



Some users are experiencing this error even with the appropriate hardware and software necessary to run mmhmm for Windows beta:



OS: Microsoft Windows 10

Processor: 64-bit Intel-based processor (32-bit and ARM based systems are not supported. This includes Surface Pro X devices).


Dedicated Graphics Card


100MB of available storage


Solution: TBD, send the following information to 


Verify that you can:

a) Use your native camera in the Camera application

b) Try and use mmhmm with another camera (if you have one available)


Send copies of the core and Activity logs. 



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