diff --git a/.github/workflows/windows-release.yml b/.github/workflows/windows-release.yml
index 03d93af..140edbf 100644
--- a/.github/workflows/windows-release.yml
+++ b/.github/workflows/windows-release.yml
@@ -45,6 +45,8 @@ jobs:
         run: |
           version=$(node -p "require('./package.json').version")
           echo "version=$version" >> "$GITHUB_OUTPUT"
+          # Fourth component (hotfix number, e.g. 2.0.0.1) becomes the Windows file build number.
+          echo "build=$(echo "$version" | cut -d. -f4)" >> "$GITHUB_OUTPUT"
           if git ls-remote --exit-code --tags origin "refs/tags/v$version" >/dev/null 2>&1; then
             echo "released=true" >> "$GITHUB_OUTPUT"
           else
@@ -55,6 +57,7 @@ jobs:
         run: npx electron-builder --win --publish never
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          BUILD_NUMBER: ${{ steps.ver.outputs.build }}
       - uses: actions/upload-artifact@v4
         with:
           name: EveFlow-Windows-v${{ steps.ver.outputs.version }}
diff --git a/package.json b/package.json
index 258ac79..315430a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "eveflow",
-  "version": "2.0.2",
+  "version": "2.0.0.1",
   "description": "JARVIS-style desktop HUD for Hermes Agent: voice, streaming runs, scheduled jobs, skills and telemetry",
   "main": "dist-electron/main.js",
   "private": true,
diff --git a/src/components/panels/Telemetry.tsx b/src/components/panels/Telemetry.tsx
index 25dec38..7570501 100644
--- a/src/components/panels/Telemetry.tsx
+++ b/src/components/panels/Telemetry.tsx
@@ -28,11 +28,11 @@ export function Telemetry() {
         <Activity size={14} />
         <span>Système</span>
         <span className="spacer" />
-        <span className="chip">{m.hostname}</span>
+        <span className="chip">{m.live ? m.hostname : 'HORS PONT'}</span>
       </header>
       <div className="telemetry">
-        <Gauge value={m.cpuLoad} max={100} label="CPU" display={`${Math.round(m.cpuLoad)}%`} warn={90} />
-        <Gauge value={m.memUsedPct} max={100} label="RAM" display={`${Math.round(m.memUsedPct)}%`} warn={92} />
+        <Gauge value={m.cpuLoad} max={100} label="CPU" display={m.live ? `${Math.round(m.cpuLoad)}%` : '—'} warn={90} />
+        <Gauge value={m.memUsedPct} max={100} label="RAM" display={m.live ? `${Math.round(m.memUsedPct)}%` : '—'} warn={92} />
         <Gauge value={m.fps} max={60} label="FPS" display={`${m.fps}`} />
         <Gauge value={m.cpuFreqMhz} max={5500} label="GHz" display={m.cpuFreqMhz ? (m.cpuFreqMhz / 1000).toFixed(1) : '—'} />
       </div>
diff --git a/src/hooks/useMetrics.ts b/src/hooks/useMetrics.ts
index 24589dd..6a7784e 100644
--- a/src/hooks/useMetrics.ts
+++ b/src/hooks/useMetrics.ts
@@ -4,6 +4,8 @@ import { bridge } from '../lib/bridge';
 
 export interface LiveMetrics extends SystemMetrics {
   fps: number;
+  /** false until the main process delivered real measurements */
+  live: boolean;
 }
 
 const EMPTY: LiveMetrics = {
@@ -16,7 +18,8 @@ const EMPTY: LiveMetrics = {
   memUsedPct: 0,
   memTotalGb: 0,
   uptimeSec: 0,
-  fps: 60
+  fps: 60,
+  live: false
 };
 
 export function useMetrics(enabled = true, intervalMs = 2000): LiveMetrics {
@@ -43,7 +46,7 @@ export function useMetrics(enabled = true, intervalMs = 2000): LiveMetrics {
     const api = bridge();
     const poll = () => {
       if (!api) return;
-      api.system.metrics().then((m) => setMetrics((prev) => ({ ...prev, ...m }))).catch(() => undefined);
+      api.system.metrics().then((m) => setMetrics((prev) => ({ ...prev, ...m, live: true }))).catch(() => undefined);
     };
     poll();
     const timer = setInterval(poll, intervalMs);