$WATCHDOG=0

for (;;) {
    $NRESP = Get-Process | Where-Object {$_.mainWindowTitle} | Where -Property MainWindowTitle -eq "World of Warcraft" | Where -Property Responding -eq $false

    if ($NRESP) { 
        $WATCHDOG += 1
    } else {
        $WATCHDOG  = 0
    }

    if ($WATCHDOG -ge 5) {
        Stop-Process -InputObject $NRESP
    }

    Start-Sleep 60
}