Skip-tpm-check-on-dynamic-update.cmd

@echo off
title Bypass TPM / Secure Boot for Dynamic Update
echo Stopping Windows Update services...
net stop wuauserv >nul 2>&1
net stop bits >nul 2>&1
echo Removing existing compatibility database...
del /f /q %SystemRoot%\System32\appraiserres.dll >nul 2>&1
del /f /q %SystemRoot%\System32\appraiser.dll >nul 2>&1
echo Creating empty stub to bypass TPM check...
type nul > %SystemRoot%\System32\appraiserres.dll
type nul > %SystemRoot%\System32\appraiser.dll skip-tpm-check-on-dynamic-update.cmd
echo Restarting services...
net start wuauserv >nul 2>&1
net start bits >nul 2>&1 @echo off title Bypass TPM / Secure Boot
echo Done. Run Windows Update again.
pause
 The infamous  appraiserres

The infamous appraiserres.dll file contains the logic for:

The script replaces the dynamically downloaded version of appraiserres.dll with a modified or empty version that returns "compatible" for all checks. Because the batch file acts during the update, the new file is swapped before the setup engine executes the hardware scan.

Verify update completes; validate BitLocker access; verify system stability and driver functionality.

Capture telemetry and error logs (SetupDiag, Windows Update logs).

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