mspzap

Command line utility that zaps redundant .msp patches in the Windows Installer directory.

Based on WiMsps.vbs by Microsoft's Heath Stewart. See also this post.

Compatible with Python 2.7 and Python 3.2+.

usage: mspzap.py [-h] [--check] [--list] [--zap] [--move PATH]

Zap redundant .msp files in the Installer directory.

optional arguments:
  -h, --help   show this help message and exit
  --check      Count the redundant files and their total size.
  --list       List the redundant files and their sizes.
  --zap        Zap the files (admin required).
  --move PATH  Move the files to the specified directory (admin required).

Disclaimer

This utility is provided without warranty of any kind. Use at your own risk.

If you want to be sure, do what I did and use --move, and delete the files later when you ensure that there's no damage.

License

WTFPL. However, if this is useful to you, I'd love it if you let me know :) My email address is in my GitHub profile.