Startup

Run an executable at user logon or right after install.

Applies to: MSI and MSIX.

---

startup – run something at logon or after install

Properties

Property	Type	Required	Default	Description
type	enum	yes	–	OnLogin (every logon) or AfterInstall (one-shot, immediately after install).
executable	string	yes	–	Path inside the package to the executable.
arguments	string	no	–	Command-line arguments.
workingDirectory	string	no	–	Working directory.

Example – auto-launch app at logon

"startup": [
  {
    "type":       "OnLogin",
    "executable": "$.installDir\\MyApp.exe",
    "arguments":  "--minimised"
  }
]

Example – run a one-time post-install task

"startup": [
  {
    "type":             "AfterInstall",
    "executable":       "$.installDir\\My Application.FirstRunSetup.exe",
    "workingDirectory": "$.installDir",
    "arguments":        "--silent"
  }
]

AfterInstall runs once, in the security context of the install.

---

MSI vs MSIX behavior

Both formats honor OnLogin and AfterInstall.

---

Validation rules

Validator	Catch
required	type, executable are mandatory.
valid path in package	startup.executable must point to a path inside fileSystemEntries.
valid value	type must be OnLogin or AfterInstall.

---