Ai Assistant Stuck On the loading

I have Ai Assistant Pro license 

but it stuck on forever loading screen.
 

How that can be fixed? That worked same with trial.

i have rider 
JetBrains Rider 2025.3
Build #RD-253.28294.88, built on November 10, 2025
Source revision: 16612b3012700
Licensed to 
You have a perpetual fallback license for this version.
Subscription is active until September 1, 2027.
Runtime version: 21.0.8+9-b1163.69 amd64 (JCEF 137.0.17)
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
Toolkit: sun.awt.windows.WToolkit
Windows 11.0
.NET Core v9.0.10 x64 (Server GC)
GC: G1 Young Generation, G1 Concurrent GC, G1 Old Generation
Memory: 4028M
Cores: 14
Registry:
 ide.experimental.ui=true
 find.in.files.split=false
 find.in.files.split.actions=false
 llm.show.ai.promotion.window.on.start=false
 rider.codeVision.fitToContent.enabled=true
 llm.jcp.analytics.endpoint.url=https://api.jetbrains.cloud/analytics/events/push
 rider.codeVision.zeroWidth.preload.enabled=true
Non-Bundled Plugins:
 net.reqnroll (2025.3.1)
 com.intellij.ml.llm (253.28294.360)