To upgrade Hyper-V Bandwidth Meter from versions 2.0-2.3.0 to 2.3.1, please:
1. Backup Hyper-V Bandwidth Meter files. The default folder is C:\Program Files\BwHyperV\ Make a copy of this folder, just in case.
2. Stop Windows service named BwHyperV…
3. Download this file and unzip it.
4. Copy (and replace) all the files from that ZIP archive to Hyper-V Bandwidth Meter folder.
5. Start BwHyperV… Windows service.