@echo off

cd "C:\Users\def\Nextcloud\Calibre Portable"
if exist !!STARTUP_lock.dat (
    echo "We are locked by computer:"
    type !!STARTUP_lock.dat
    echo ""
    echo "Close this window to abort running"
    echo "... or hit a key to run anyway ..."
    echo ""
    pause
)

echo %COMPUTERNAME% > !!STARTUP_lock.dat 

echo "Start-Process -FilePath .\calibre-portable.exe -Wait; del !!STARTUP_lock.dat"
start PowerShell.exe -windowstyle hidden -command "Start-Process -FilePath .\calibre-portable.exe -Wait; del !!STARTUP_lock.dat"
echo "Batch is done!"
echo "bye"
::END