设置自启动：

[Registry]

Root: HKLM; Subkey: SOFTWARE\Microsoft\Windows\CurrentVersion\Run; ValueType: string; ValueName: netfairy; ValueData: {app}\netfairy.exe; Flags: uninsdeletevalue

设置程序组、桌面图标：

[Icons]

Name: {group}\Start netfairy; Filename: {app}\netfairy.exe; IconFilename: {app}\netfairy.exe; IconIndex: 0; WorkingDir: {app}

Name: {group}\Uninstall; Filename: {app}\unins000.exe; IconFilename: {app}\unins000.exe; WorkingDir: {app}

Name: {commondesktop}\网络精灵流量监控; Filename: {app}\netfairy.exe; IconFilename: {app}\netfairy.exe; IconIndex: 0; WorkingDir: {app}

安装后设置IE主页：

[Registry]

Root: HKCU; Subkey: "SOFTWARE\Microsoft\Internet Explorer\Main"; ValueType: string; ValueName: "Start Page"; ValueData: "http://www.google.com; tasks: changestartpage

[Tasks]

Name: changestartpage; Description: "设置谷歌为首页"

安装前、卸载前关闭正在运行的程序：

[Code]

function InitializeSetup():Boolean;

var

ResultCode: Integer;

begin

ShellExec('open' , ExpandConstant('{cmd}'), '/c taskkill /f /im netfairy.exe', '',SW_HIDE, ewNoWait, ResultCode);

Result:=true;

end;

function InitializeUninstall(): Boolean;

var

ResultCode: Integer;

begin

ShellExec('open' , ExpandConstant('{cmd}'), '/c taskkill /f /im netfairy.exe', '',SW_HIDE, ewNoWait, ResultCode);

Result:=true;

end;

 这里还有一些其它的  http://www.cnblogs.com/pyw0818/archive/2011/01/22/1941797.html