$wsh = New-Object -ComObject WScript.Shell
while (1) {
$wsh.SendKeys('+{F15}')
Start-Sleep -seconds 59
}
$WShell = New-Object -com "Wscript.Shell"
while ($true)
{
$WShell.sendkeys("{SCROLLLOCK}")
Start-Sleep -Milliseconds 100
$WShell.sendkeys("{SCROLLLOCK}")
Start-Sleep -Seconds 240
}