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#1327 Sweet Home 3D not opening or installing

v_7.x
open
None
1
2025-05-04
2025-05-03
No

Sweet home 3D is not opening on my intel iMac. It won't open any of my saved files, it wont install through the app store. I am on Mac OS Sequoia 15.4.1. I have tried installing Java 7, 8,, & 24. Nothing works. I tried downloading the JAR and it just gives this error and says it wont open. Please help!

com.sun.deploy.net.FailedDownloadException: Unable to load resource: http://www.sweethome3d.com/SweetHome3D.jnlp
at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
at com.sun.deploy.net.DownloadEngine.downloadResource(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getResource(Unknown Source)
at com.sun.javaws.Launcher.updateFinalLaunchDesc(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.launch(Unknown Source)
at com.sun.javaws.Main.launchApp(Unknown Source)
at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
at com.sun.javaws.Main.access$000(Unknown Source)
at com.sun.javaws.Main$1.run(Unknown Source)
at java.lang.Thread.run(Thread.java:750)

Discussion

  • Mark Thurner

    Mark Thurner - 2025-05-04

    Hi! Yes I know that was from the JNLP. I was just posting it as one of the many things I had tried to get it to run. It was the only error message in my whole process I received. Are you not supporting that method anymore? The DMG installer worked. Is there a reason the app store wont let me install it?

    When I try to download it on the app store it just says "cannot install---wait....I just tried to install it again and it recognized the dmg.....Also its a totally new interface....lol...I guess you fixed it. Thank you!

     

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