diff --git a/bin/hermes-web-ui.mjs b/bin/hermes-web-ui.mjs
index bb84191..5fd6826 100755
--- a/bin/hermes-web-ui.mjs
+++ b/bin/hermes-web-ui.mjs
@@ -86,6 +86,7 @@ function startDaemon(port) {
     detached: true,
     stdio: ['ignore', logStream, logStream],
     env: { ...process.env, PORT: String(port) },
+    windowsHide: true,
   })
 
   child.on('error', (err) => {
@@ -199,6 +200,7 @@ function doUpdate() {
 
   const child = spawn(isWin ? 'cmd' : 'sh', isWin ? ['/c', ...cmd.split(' ')] : ['-c', cmd], {
     stdio: 'inherit',
+    windowsHide: true,
   })
 
   child.on('exit', (code) => {
@@ -235,6 +237,7 @@ switch (command) {
     const child = spawn(process.execPath, [serverEntry], {
       stdio: 'inherit',
       env: { ...process.env, PORT: String(port) },
+      windowsHide: true,
     })
     child.on('exit', (code) => process.exit(code ?? 1))
     process.on('SIGTERM', () => child.kill('SIGTERM'))
diff --git a/package.json b/package.json
index 888c185..92e2d83 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "start": "vite --host --port 8648",
     "dev": "concurrently \"npm run dev:server\" \"npm run dev:client\"",
     "dev:client": "vite --host",
-    "dev:server": "nodemon --watch server/src --ext ts --exec node -r ts-node/register server/src/index.ts",
+    "dev:server": "nodemon --watch server/src --ext ts --exec node -r ts-node/register server/src/index.ts --no-warnings",
     "build": "vue-tsc -b && vite build && tsc -p server/tsconfig.json",
     "preview": "vite preview"
   },
diff --git a/server/src/services/hermes-cli.ts b/server/src/services/hermes-cli.ts
index 17b5dab..bca9cab 100644
--- a/server/src/services/hermes-cli.ts
+++ b/server/src/services/hermes-cli.ts
@@ -3,6 +3,8 @@ import { promisify } from 'util'
 
 const execFileAsync = promisify(execFile)
 
+const execOpts = { windowsHide: true }
+
 export interface HermesSession {
   id: string
   source: string
@@ -65,6 +67,7 @@ export async function listSessions(source?: string, limit?: number): Promise<Her
     const { stdout } = await execFileAsync('hermes', args, {
       maxBuffer: 50 * 1024 * 1024, // 50MB
       timeout: 30000,
+      ...execOpts,
     })
 
     const lines = stdout.trim().split('\n').filter(Boolean)
@@ -128,6 +131,7 @@ export async function getSession(id: string): Promise<HermesSession | null> {
     const { stdout } = await execFileAsync('hermes', args, {
       maxBuffer: 50 * 1024 * 1024,
       timeout: 30000,
+      ...execOpts,
     })
 
     const lines = stdout.trim().split('\n').filter(Boolean)
@@ -170,6 +174,7 @@ export async function deleteSession(id: string): Promise<boolean> {
   try {
     await execFileAsync('hermes', ['sessions', 'delete', id, '--yes'], {
       timeout: 10000,
+      ...execOpts,
     })
     return true
   } catch (err: any) {
@@ -185,6 +190,7 @@ export async function renameSession(id: string, title: string): Promise<boolean>
   try {
     await execFileAsync('hermes', ['sessions', 'rename', id, title], {
       timeout: 10000,
+      ...execOpts,
     })
     return true
   } catch (err: any) {
@@ -204,7 +210,7 @@ export interface LogFileInfo {
  */
 export async function getVersion(): Promise<string> {
   try {
-    const { stdout } = await execFileAsync('hermes', ['--version'], { timeout: 5000 })
+    const { stdout } = await execFileAsync('hermes', ['--version'], { timeout: 5000, ...execOpts })
     return stdout.trim()
   } catch {
     return ''
@@ -217,6 +223,7 @@ export async function getVersion(): Promise<string> {
 export async function startGateway(): Promise<string> {
   const { stdout, stderr } = await execFileAsync('hermes', ['gateway', 'start'], {
     timeout: 30000,
+    ...execOpts,
   })
   return stdout || stderr
 }
@@ -230,6 +237,7 @@ export async function startGatewayBackground(): Promise<number | null> {
   const child = spawn('hermes', ['gateway', 'run'], {
     detached: true,
     stdio: 'ignore',
+    windowsHide: true,
   })
   child.unref()
   return child.pid ?? null
@@ -241,6 +249,7 @@ export async function startGatewayBackground(): Promise<number | null> {
 export async function restartGateway(): Promise<string> {
   const { stdout, stderr } = await execFileAsync('hermes', ['gateway', 'restart'], {
     timeout: 30000,
+    ...execOpts,
   })
   return stdout || stderr
 }
@@ -252,6 +261,7 @@ export async function listLogFiles(): Promise<LogFileInfo[]> {
   try {
     const { stdout } = await execFileAsync('hermes', ['logs', 'list'], {
       timeout: 10000,
+      ...execOpts,
     })
     const files: LogFileInfo[] = []
     const lines = stdout.trim().split('\n').filter(l => l.includes('.log'))
@@ -291,6 +301,7 @@ export async function readLogs(
     const { stdout } = await execFileAsync('hermes', args, {
       maxBuffer: 10 * 1024 * 1024,
       timeout: 15000,
+      ...execOpts,
     })
     return stdout
   } catch (err: any) {