Customers using old module like Exchange 2010, Exchange 2010 Hosted, should NOT update to MachPanel v8.
If you are already running MachPanel Build 8.0.32, then this prerequisite is already there. If you are updating from a build older than 8.0.32, then you will need to download and install Microsoft .Net Framework 4.8 as explained HERE:
When ready, you need to follow the steps given below in sequence and execute instructions in the KB articles to complete the update: