We have 1.2 installed on all the office machines. I (main Dynamo developer in the house) have upgraded to 1.3 on my computer, but I still need to maintain the old graphs. I tried to uninstall 1.3 and re-install 1.2, but the installer refuses to install 1.2. It tells me that I already have a newer…

Go to control panel and uninstall Dynamo core as well [image]

[image] john_pierson: IOBit Uninstall Utility Great tip, John! Thanks:+1: IOBit didn’t quite fix the problem, but at least it identified it. Turn out it wasn’t 1.3 IOBit showed me there was a 1.2.1 Dynamo Core installed, and I was running the 1.2.0 installer. So, yes, a newer version. Jus…

At least in is Friday and National Donut Day :doughnut: :smile:

Worked for me! Revit 2019 and Dynamo was awful at this time! downgraded to 2018! 5/23/2018

Downgrade from 1.3 to 1.2?

Revit

john_pierson June 2, 2017, 4:30pm 5

well shoot. Maybe reinstall 1.3 and use IOBit Uninstall Utility. It does really clean uninstalls

Dynamo 1.2.1 refuses to install

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Downgrade from 1.3 to 1.2?

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