grasshopper not running
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2018-03-08
11:45 PM
- last edited on
2023-05-11
11:09 AM
by
Noemi Balogh
When I first installed and immediately tried GH-connection 2.0 for AC5021 it worked fine. It was several weeks ago and I didn't use it until today.
Now when I try to start GH-connection it says <grasshopper not running>.
I have already tried:
- restarting windows
- reinstalling GH-connection
- reinstalling AC and the latest update
- disabled antivirus
- played with windows firewall
- removed all other GH plugins
Nothing works... 😞
Did anyone have this problem before?
Win 10
AC21 5021
Rhino5 SR12
GH 0.9.0076

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2018-08-24 07:09 AM
Now I have tried to install the new one with multiple Macs now. Install fails. I tried installing ArchiCAD 21 from fresh, then straight updated to 6013, then tried to install AC-GH-connection - but it failed.
Further updates:
I got the add on installed on an iMac. Did not want to move my Rhino license to another Mac, so I tried to copy it to my Mac Pro with Rhino license (to "add ons - local" -hierarchy). ArchiCAD now recognises it as 2.0, but still no luck with AC-GH connection: "Grasshopper is not running", though it does run just there right now, besides ArchiCAD 21 (6013). I tried with both, FIN and INT.
My Rhinoversion is 5.4.2 (Mac), and it comes with Grasshopper build 0.9.0080 (Feb 13. 2018).
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2018-09-14 04:11 PM
I have a similar problem. I could install both of the components to AC and GH, but after I run the connection in AC21 (works properly), in Grasshopper when the windows pops up the 'Connect' button is not active, therefore I can't make the connection between the 2 programs.
Is there a solution of this?
Thank you so much!


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2018-09-15 04:18 PM
Neither of my installed AC21 work (INT or FIN) with grasshopper. I am not sure when it broke. It was working alright earlier, I believe at least in the summer it was still working.
AC live connection does not see a running grasshopper. And because of that Grasshopper does not let you to choose a document which should communicate with ArchiCAD. Only one ArchiCAD and Rhino w/ Grasshopper running (+Safari).
If I am nor the only one, I would think there is a glitch somewhere in installed software, but not necessarily in my system? I am not sure though, you never know for sure.
I would have loved to do some waving acoustic ceilings, but sadly it's a no go with grasshopper today. Have to do in a more manual way..

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2018-09-16 10:40 AM
The ArchiCADConnection component library was build against an older version of the Grasshopper SDK:
The current SDK: 1.0.6815.18657
The referenced SDK: 1.0.6157.23614
GH connection is of version:

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2018-09-17 08:53 AM
iulmann wrote:Hi,
Hey Guys,
I have a similar problem. I could install both of the components to AC and GH, but after I run the connection in AC21 (works properly), in Grasshopper when the windows pops up the 'Connect' button is not active, therefore I can't make the connection between the 2 programs.
Is there a solution of this?
Thank you so much!
The green circle next to the document's name in your picture means that the Grasshopper Document is already connected to ARCHICAD. You can just close that dialog.
Regards,
Professional Services Consultant
GRAPHISOFT
For Troubleshooting and useful Tips & Tricks visit

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2018-09-17 11:07 AM
Thank You for the links (in those other threads) Daniel, I'll be trying those later.

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2018-09-17 05:40 PM
I removed the ArchiCADConnection.gha:
(Mac HD/Applications/GRAPHISOFT/ARCHICAD 21/Add-Ons/Local)
and Grasshopperconnection plugin:
(Mac HD/Users/username/Library/Application Support/McNeel/Rhinoceros/MacPlugIns/Grasshopper/Libraries/ArchiCAD 21)
Opened terminal and:
sudo pkgutil --forget "com.graphisoft.ArchiCAD.Goodies.GHACLiveInstaller
After these procedures the installer worked without giving an error. Grasshopper connection is working again. It's time to learn a new trick with this tool.
Thank You Very Much !
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2020-10-30 11:01 AM
sudo pkgutil --forget "com.graphisoft.ArchiCAD.Goodies.GHACLiveInstaller
Could you explain this bit some more please? Is that a command line entered in the Rhino command line? I have a similar problem where the Live connection doesn't work even though GH is running

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2020-11-02 01:04 PM
Ryan wrote:Dear Ryan,
Opened terminal and:
sudo pkgutil --forget "com.graphisoft.ArchiCAD.Goodies.GHACLiveInstaller
Could you explain this bit some more please? Is that a command line entered in the Rhino command line? I have a similar problem where the Live connection doesn't work even though GH is running
Thank you for the question and I am very sorry for the issue!
There could be some reasons why Archicad and Grasshopper cannot be connected. Make sure that no other version of Grasshopper-Archicad Live Connection is already installed! If
you already have one (e.g. a previous version), you must uninstall it before proceeding. We made a user guide here, please have a look at the section Uninstall Grasshopper connection to find out more: https://help.graphisoft.com/AC/24/INT/GC.pdf
The command above can be entered in Terminal, but this will be used as a last resort to remove the connection for the older version of the connection.
Please let me know if this helps!
Best regards,
Minh
Minh Nguyen
Technical Support Engineer
GRAPHISOFT
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