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System requirements for PCS Desktop Client
See below for the requirements for using the various CoreNexa client applications.
System requirements
- An internet connection – broadband wired (preferred) or wireless (4G/LTE)
- Speakers and a microphone – built-in, USB plug-in, or Bluetooth
- A webcam – built-in, USB plug-in
Supported operating systems
The CoreNexa desktop client runs on the following operating systems:
- Mac OSx version 10.9 or later
- Windows 10 or later
- Most 64 bit Linux distributions (Ubuntu 12.04 and later, RHEL/CentOS/Oracle 6.4 and later, Fedora 21 or higher, etc.)
Processor and RAM requirements
Processor (CPU)
- Minimum: Single core, 2 GHz
- Recommended: Dual core, 2 GHz or higher
Memory (RAM)
- Minimum: 4 GB
- Recommended: 4 GB or higher
Notes
- For optimum video and screen-sharing performance, we recommend a quad-core processor or higher.
- Requires a graphics card that can support OpenGL 2.0 or higher.
Mac Permissions
In Security and Privacy ensure that CoreNexa has the following permissions in Privacy:

- Camera
- Microphone
- Accessibility
- Input Monitoring
- Full Disk Access
- Files and Folders
- Screen Recording
Mac Avira AntiVirus
If the user does a deep Avira Virus scan on their MacOS PC, the user might see this:

If this happens, try to un-quarantine the item and start CoreNexa desktop client again. If the desktop application still will not work, please do as follows:
- Exit from the desktop client
- Uninstall the CoreNexa desktop client
- Remove the following folder: /Users/
/.corenexa folder where is your login {*} - Install the CoreNexa desktop client again (download available at https://meet.corenexa.com)
- Start the CoreNexa desktop client.
This should resolve the issue.
Instructions for fully uninstalling CoreNexa Desktop client are available here.
