# Updating Avid CNC Mach4 Version to v. 2.4.2

**URL:** <https://forum.avidcnc.com/t/updating-avid-cnc-mach4-version-to-v-2-4-2/2006>\
**Category:** General Chat\
**Created:** [April 27, 2023, 11:57pm UTC](https://forum.avidcnc.com/t/updating-avid-cnc-mach4-version-to-v-2-4-2/2006 "2023-04-27T23:57:50Z")\
**Posts on this page:** 1\
**Showing post:** 27

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**Author:** ![Eric](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.avidcnc.com/eric/32/3220_2.png) [@Eric](https://forum.avidcnc.com/u/Eric)\
**Post date:** [May 25, 2023, 9:23pm UTC](https://forum.avidcnc.com/t/updating-avid-cnc-mach4-version-to-v-2-4-2/2006/27 "2023-05-25T21:23:24Z")

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For those that were having issues with G31 probes, we fixed it:

> [@warning Mach Update! Please read!](https://forum.avidcnc.com/t/mach-update-please-read/2102):
>
> We have released Mach4 for Avid CNC Machines v2.4.3. This revision introduces a fix to potentially inconsistent probing values during zeroing and other calibration routines that were present in the prior revision. We recommend that anyone currently using v2.4.2 upgrade to the latest revision. The update can be downloaded here: [https://www.avidcnc.com/support/instructions/software/downloads/mach4/](https://www.avidcnc.com/support/instructions/software/downloads/mach4/) Updating to this version works like any of our previous updates. If you have questions about how …

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_[View the full topic](https://forum.avidcnc.com/t/updating-avid-cnc-mach4-version-to-v-2-4-2/2006)._