localhost refused to connect.

[nicolas_pillard1]

Hi, Since yesterday, impossible to reach Chaos Cosmos Internet connection is ok. Correctly logged with my Chaos licence. Could you tell me what's wrong?
Problem with Cinema4D / Vray
Thx for the help

This site can’t be reached

localhost refused to connect.

[hristo_chakarov]

Hello,

Thank you for escalating this. We are aware of the problem and just released a fix. Unfortunately, it won’t automatically solve your problem.

To solve your problem:

1. Stop Cosmos Browser from the Start Menu shortcut
2. Delete all files inside %LOCALAPPDATA%\Chaos\Cosmos\DB
3. Start Cosmos Browser from the Start Menu shortcut

Let us know if you need further assistance.

[nicolas_pillard1]

Cosmos is back... Thx a lot fot the help...

[brian_albin]

Hello,

Thank you for escalating this. We are aware of the problem and just released a fix. Unfortunately, it won’t automatically solve your problem.

To solve your problem:

1. Stop Cosmos Browser from the Start Menu shortcut
2. Delete all files inside %LOCALAPPDATA%\Chaos\Cosmos\DB
3. Start Cosmos Browser from the Start Menu shortcut

Let us know if you need further assistance.

I'm running into the same issue right now. I've tried the steps you provided with no luck. Running on 3ds Max 2025 // V-Ray 7 Hotfix 1.

[hristo_chakarov]

brian_albin I've sent you a PM

[joie_puckett]

1. Stop Cosmos Browser from the Start Menu shortcut
2. Delete all files inside %LOCALAPPDATA%\Chaos\Cosmos\DB
3. Start Cosmos Browser from the Start Menu shortcut

I had this problem with Rhino V-Ray on Windows 11, and this solution worked. Stopping Cosmos Browser with Admininstrator and deleting the 4 files worked.