For context, I have a script that runs a procedure, then reboots the computer, after reboot one directory needs to be recursively removed.

Is this possible to do by using a "built-in" Windows 10 command, by calling directly or inline, as a registry value in runOnce registry key pair?

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1 Answer

A script can insert a RUNONCE key in the registry for an action to be done only once on reboot or login of a specific user. Administrator permissions are required for updating the registry.

The registry keys are:

• On reboot : HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
• Current user : HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

For the RunOnce key to be deleted only if its task is run successfully, prepend the key name value with an exclamation mark !.

If you want the RunOnce command to run even in Safe Mode, prepend the key name value with an asterisk *.

The RunOnce script should not insert new RunOnce entries in the registry.

Examples:

For reboot

reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" /v RunScript /t REG_SZ /d "\"C:\\setup\\script.cmd\""

For current user (HKEY_CURRENT_USER)

reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce /v RunScript /t REG_SZ /d "\"C:\\setup\\script.cmd\"" /f

For a specific user (HKEY_USERS)

reg add HKU\S-1-5-21-3492930481-2827506072-2794401122-1001\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce /v RunScript /t REG_SZ /d "\"C:\\setup\\script.cmd\"" /f

All user profiles

FOR /D %%D IN ("C:\Users\*") DO IF EXIST "%%D\NTUSER.DAT" REG LOAD HKU\TEMP "%%D\NTUSER.DAT" && (reg add HKU\TEMP\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce /v Reg_Value /t REG_SZ /d Reg_Data /f & REG UNLOAD HKU\TEMP)

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