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--- windows:notes:misc [2025/10/01 17:40] – Sean Rhone
+++ windows:notes:misc [2026/04/16 17:03] (current) – Sean Rhone
@@ Line 67: / Line 67: @@
   DEL /F /Q "%UserProfile%\AppData\LocalLow\Intel\ShaderCache\"*
+====== MEM_TOP_DOWN ======
+  * https://learn.microsoft.com/en-us/windows/win32/memory/4-gigabyte-tuning
+  * :!: 2025/10/13: 2009Scape [[games;windows;rt4_client_runescape_530|RT4-Client]] failed to load on [[windows;10|10 21H2]] ((client closes after loading Sound resources))
+  * :?: 2026/04/09: Likely caused GTA V to freeze on-start and Counter-Strike Source to crash before main menu
+  "%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "AllocationPreference" /t "REG_DWORD" /d "0x100000" /f
+===== Etc =====
+  "%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "DisablePagingExecutive" /t "REG_DWORD" /d "1" /f
+  "%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "LargeSystemCache" /t "REG_DWORD" /d "1" /f
+  "%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "SystemPages" /t "REG_DWORD" /d "0XFFFFFFFF" /f
+====== ICMP Echo Allow ======
+****
+  "netsh.exe" advfirewall firewall set rule name="Core Networking Diagnostics - ICMP Echo Request (ICMPv4-In)" profile="private,public" new enable="yes" && "netsh.exe" advfirewall firewall set rule name="Core Networking Diagnostics - ICMP Echo Request (ICMPv4-Out)" profile="private,public" new enable="yes" && "netsh.exe" advfirewall firewall set rule name="Core Networking Diagnostics - ICMP Echo Request (ICMPv6-In)" profile="private,public" new enable="yes" && "netsh.exe" advfirewall firewall set rule name="Core Networking Diagnostics - ICMP Echo Request (ICMPv6-Out)" profile="private,public" new enable="yes"
+===== Disable =====
+  * Default
+  "netsh.exe" advfirewall firewall set rule name="Core Networking Diagnostics - ICMP Echo Request (ICMPv4-In)" profile="private,public" new enable="no" && "netsh.exe" advfirewall firewall set rule name="Core Networking Diagnostics - ICMP Echo Request (ICMPv4-Out)" profile="private,public" new enable="no" && "netsh.exe" advfirewall firewall set rule name="Core Networking Diagnostics - ICMP Echo Request (ICMPv6-In)" profile="private,public" new enable="no" && "netsh.exe" advfirewall firewall set rule name="Core Networking Diagnostics - ICMP Echo Request (ICMPv6-Out)" profile="private,public" new enable="no"
+====== Compats ======
+===== Firefox =====
+  * :!: 2026/04/08: ''UseLargePages'' caused random tab crashes
+  "%SystemRoot%\System32\reg.exe" ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers" /v "%ProgramFiles%\Mozilla Firefox\firefox.exe" /t "REG_SZ" /d "~ DISABLEDXMAXIMIZEDWINDOWEDMODE HIGHDPIAWARE DISABLEDWM DISABLETHEMES NoDTToDITMouseBatch" /f
+  "%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\firefox.exe" /v "UseLargePages" /t "REG_DWORD" /d "1" /f
+===== Explorer =====
+  "%SystemRoot%\System32\reg.exe" ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers" /v "%SystemRoot%\explorer.exe" /t "REG_SZ" /d "~ DISABLEDXMAXIMIZEDWINDOWEDMODE HIGHDPIAWARE DISABLEDWM DISABLETHEMES NoDTToDITMouseBatch" /f
+  "%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe" /v "UseLargePages" /t "REG_DWORD" /d "1" /f
+===== DWM =====
+  "%SystemRoot%\System32\reg.exe" ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers" /v "%SystemRoot%\System32\dwm.exe" /t "REG_SZ" /d "~ DISABLEDXMAXIMIZEDWINDOWEDMODE HIGHDPIAWARE DISABLEDWM DISABLETHEMES NoDTToDITMouseBatch" /f
+  "%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\dwm.exe" /v "UseLargePages" /t "REG_DWORD" /d "1" /f
+====== Version Notes ======
+===== LTSC 1809 =====
+  * 2026/04
+  * Has both ''curl.exe'' and ''tar.exe''
+  * Defrag command in Maintenance bat needs different flags than 21H2
+  * No known benefit over 21H2
+===== LTSB 1607 =====
+  * 2026/04
+  * No ''curl.exe'' nor ''tar.exe''
+  * Runs GTA V Online (BattlEye no problem 1607, GTA V DX10 fine 2018 GPU driver)
+  * Intel UHD 630 driver from 2018 (''.2141'' nor latest 6th-gen install/require newer Windows than 1607)
+  * OneDrive is integrated and doesn't uninstall as-easily like it's installed with Office
+  * No Edge (business ''msi'' installs fine and works with ''msedge_proxy'')
+  * Alps touchpad driver doesn't install (benefit)