![480753144248af33d54afe50324e7192_full[1]](https://pariswells.com/blog/wp-content/uploads/2014/02/480753144248af33d54afe50324e7192_full1-150x150.jpg)
Installing the new version of Matworx 13 on a Windows 7 machine stopped the ListUp Function in Matworks by greying it out and making it unclickable
Reverting back to Matworx 10 fixed this which can be downloaded here https://mega.co.nz/#!aVYXQBpA!vFEOBxOhUuvzJIVDYoUNWvrAMHMU1ZeodhrULqNxgAo