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windows:notes:misc

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Run as Basic User

RUNAS /trustlevel:"0x20000" "x"
RUNAS /trustlevel:"0x20000" "C:\Users\Espionage724\Downloads\OpenTabletDriver-0.6.5.1_win-x64\OpenTabletDriver.UX.Wpf.exe"
RUNAS /showtrustlevels

Reboot Timer

  • /r to /s for shutdown
shutdown /r /f /t 60
shutdown /a

Windows Defender

Disable

reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t "REG_DWORD" /d "1" /f

Remove

  • :?: Requires Enterprise/Server
Uninstall-WindowsFeature -Name Windows-Defender

Disable Startup Delay

reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Serialize" /v "StartupDelayInMSec" /t "REG_DWORD" /d "0" /f

Disable SmartScreen

  • General
  • Windows Store Apps
  • Microsoft Edge
reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer" /v "SmartScreenEnabled" /t "REG_SZ" /d "Off" /f
reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\AppHost" /v "EnableWebContentEvaluation" /t "REG_DWORD" /d "0" /f
reg add "HKLM\SOFTWARE\Policies\Microsoft\MicrosoftEdge\PhishingFilter" /v "EnabledV9" /t "REG_DWORD" /d "0" /f

Remove Most Modern UI Apps

  • Not necessary with Local Account log-ins and Pro/Enterprise/LTSC editions
  • Tested fine on 20H2, 21H2, and 23H2
  • :!: This broke the start menu on 1809
  • :!: 2024/08: May cause Explorer windows to act broken at times on 11 23H2
  • Powershell Script *.ps1
Get-AppxPackage -allusers | Remove-AppxPackage

Remove OneDrive

"%SystemRoot%\System32\reg.exe" DELETE "HKEY_CURRENT_USER\Environment" /v "OneDrive" /f

Old

  • LTSB 1607 has OneDrive pre-installed
  • Not applicable for Office-installed OneDrive
taskkill /IM "OneDrive.exe" /F
%windir%\SysWOW64\OneDriveSetup.exe /uninstall
rmdir "%UserProfile%\OneDrive" "%ProgramData%\Microsoft OneDrive" "%LocalAppData%\Microsoft\OneDrive" "C:\OneDriveTemp" /S /Q
reg delete "HKCR\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}" /f
reg delete "HKCR\Wow6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}" /f

GPU Shader Cache Wipe

Intel

DEL /F /Q "%UserProfile%\AppData\LocalLow\Intel\ShaderCache\"*

MEM_TOP_DOWN

"%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v "AllocationPreference" /t "REG_DWORD" /d "0x100000" /f

RST to AHCI

  1. safeboot minimal
  2. Reboot to BIOS settings
  3. RST → AHCI
  4. Boot to Safe Mode
  5. /deletevalue safeboot
  6. Reboot to Windows
"%SystemRoot%\System32\bcdedit.exe" /set "SAFEBOOT" "Minimal"
"%SystemRoot%\System32\bcdedit.exe" /deletevalue "SAFEBOOT"

Tweaks

Memory Management

"%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

UseLargePages

"%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
"%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
"%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ntoskrnl.exe" /v "UseLargePages" /t "REG_DWORD" /d "1" /f
"%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\svchost.exe" /v "UseLargePages" /t "REG_DWORD" /d "1" /f
"%SystemRoot%\System32\reg.exe" ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\csrss.exe" /v "UseLargePages" /t "REG_DWORD" /d "1" /f

Firefox

  • :!: 2026/04/08: UseLargePages caused random tab crashes
"%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 "0" /f

Start Menu

RDP

"%SystemRoot%\System32\notepad.exe" "%UserProfile%\Documents\Alira (LAN).rdp"
full address:s:192.168.1.152
networkautodetect:i:0
connection type:i:6
gatewayusagemethod:i:4
use redirection server name:i:0
prompt for credentials:i:0
allow font smoothing:i:1
redirectprinters:i:0
redirectcomports:i:0
redirectsmartcards:i:0
redirectwebauthn:i:0
redirectclipboard:i:1
redirectposdevices:i:0

Start Menu

"%SystemRoot%\explorer.exe" "%AppData%\Microsoft\Windows\Start Menu\Programs\Accessories"
"%UserProfile%\Documents\Alira (LAN).rdp"
Alira

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)
1)
client closes after loading Sound resources
/usr/local/www/wiki/data/attic/windows/notes/misc.1785327477.txt.gz · Last modified: by Sean Rhone