Hi Guys,
I have installed the most recent Corona version and am having difficulties launching Cosmos. I receive the message: CONNECTION REFUSED. Any ideas on how to fix this?
Thanks
maru
June 2, 2025, 12:27pm
2
Please try the below steps. If they don’t work, please submit a support ticket at https://support.chaos.com/hc/en-us/requests/new
Windows
Uninstall Chaos Cosmos from the Windows “Add or remove programs” list
Then delete this folder: C:\Program Files\Common Files\Chaos\CosmosDownload and install Cosmos again: Download | My Chaos
Go to your Windows Start Menu and search for:
“stop Chaos Cosmos Browser” - click it
then “start Chaos Cosmos browser” - click it
Check if Cosmos is working now.
In case the above steps did not help:
Stop Cosmos using the shortcut here: C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Chaos Group\Chaos Cosmos Browser
Then delete all cpkg files which are located in C:\Users\YOUR_USERNAME\AppData\Local\Chaos\Cosmos\DB
Start Cosmos using the shortcut here: C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Chaos Group\Chaos Cosmos Browser
MacOS
Uninstall Chaos Cosmos by going to: /Applications/Chaos/Cosmos/uninstall/Uninstall
If they exist, remove the following folders:
/Library/Chaos/Cosmos/Library/ChaosGroup/ChaosCosmos
Download and install Cosmos again: Download | My Chaos
Check if Cosmos is working now.
In case the above steps did not help:
Execute in Terminal: sudo launchctl unload ~/Library/LaunchAgents/CCBService.plist
Delete: ~/Library/Application\ Support/Chaos/Cosmos
Execute in Terminal: sudo launchctl load ~/Library/LaunchAgents/CCBService.plist
Check if Cosmos is working now.