diff --git a/src/data/configurations/gaming/advanced-tcp-ack-frequency.js b/src/data/configurations/gaming/advanced-tcp-ack-frequency.js
new file mode 100644
index 0000000..ec55194
--- /dev/null
+++ b/src/data/configurations/gaming/advanced-tcp-ack-frequency.js
@@ -0,0 +1,16 @@
+export default {
+  id: 'advanced-tcp-ack-frequency',
+  name: 'Advanced: TCP Delayed ACK (TcpAckFrequency)',
+  description: 'Optional legacy tweak for specific TCP latency scenarios. Applies TcpAckFrequency=1 per active network interface (does not disable Nagle globally).',
+  category: 'gaming',
+  registryBat: [
+    'REM Advanced / legacy tweak: TcpAckFrequency is per-interface and only affects some TCP workloads.',
+    'REM Most games use UDP; keep disabled unless you know you need it.',
+    'REM Applies to currently connected physical adapters (Ethernet/Wi-Fi).',
+    'powershell -Command "$ErrorActionPreference=\'Stop\'; $adapters = Get-NetAdapter | Where-Object { $_.Status -eq \'Up\' -and $_.HardwareInterface -eq $true -and $_.InterfaceGuid }; foreach ($a in $adapters) { $path = \'HKLM:\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\{\' + $a.InterfaceGuid + \'}\'; New-Item -Path $path -Force | Out-Null; New-ItemProperty -Path $path -Name TcpAckFrequency -PropertyType DWord -Value 1 -Force | Out-Null }"'
+  ],
+  recommended: false,
+  requiresRestart: true,
+  requiresAdmin: true,
+  warning: 'Important: This tweak takes effect but may not improve latency. TCP-only (no UDP impact) and can increase ACK traffic.'
+};
diff --git a/src/data/configurations/gaming/competitive-gaming-optimizations.js b/src/data/configurations/gaming/competitive-gaming-optimizations.js
index ca08b95..bf28e80 100644
--- a/src/data/configurations/gaming/competitive-gaming-optimizations.js
+++ b/src/data/configurations/gaming/competitive-gaming-optimizations.js
@@ -1,7 +1,7 @@
 export default {
   id: 'competitive-gaming-optimizations',
   name: 'Competitive Gaming Optimizations',
-  description: 'Apply optimizations for competitive games (CS2, Valorant, etc.) - Disables mouse acceleration, enables high precision, optimizes network settings',
+  description: 'Apply optimizations for competitive games (CS2, Valorant, etc.) - Disables mouse acceleration, disables accessibility key toggles, adjusts multimedia scheduling',
   category: 'gaming',
   registryBat: [
     'REM Disable Mouse Acceleration (Enhanced Pointer Precision)',
@@ -12,15 +12,12 @@ export default {
     'reg add "HKCU\\Control Panel\\Accessibility\\StickyKeys" /v Flags /t REG_SZ /d 506 /f',
     'reg add "HKCU\\Control Panel\\Accessibility\\Keyboard Response" /v Flags /t REG_SZ /d 122 /f',
     'reg add "HKCU\\Control Panel\\Accessibility\\ToggleKeys" /v Flags /t REG_SZ /d 58 /f',
-    'REM Network optimizations - Reduce latency',
+    'REM Multimedia scheduling tweaks (legacy): reduce network throttling / responsiveness',
     'reg add "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Multimedia\\SystemProfile" /v NetworkThrottlingIndex /t REG_DWORD /d 4294967295 /f',
     'reg add "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Multimedia\\SystemProfile" /v SystemResponsiveness /t REG_DWORD /d 0 /f',
-    'REM Disable Nagle Algorithm (reduces input lag)',
-    'reg add "HKLM\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces" /v TcpAckFrequency /t REG_DWORD /d 1 /f',
-    'reg add "HKLM\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces" /v TCPNoDelay /t REG_DWORD /d 1 /f'
   ],
   recommended: false,
   requiresRestart: true,
   requiresAdmin: true,
-  warning: 'Changes mouse behavior and network settings. Test in-game to verify improvements.'
+  warning: 'Changes mouse behavior and system scheduling settings. Test in-game to verify improvements.'
 };