/*
* Unregisters the zipfldr.dll fixes JDialog slowness
* issues. (Should be made optional)
*/
public static void applyFileChooserTweak() {

String osName = System.getProperty("os.name").toLowerCase();
if (!osName.contains("windows"))
return;
try {
System.out.print("Unregistering zipfldr.dll to speed up program "
"(don't worry, windows will reset this)...");
Runtime.getRuntime().exec("regsvr32 /s %windir%/system32/zipfldr.dll");
System.out.println("success");
}
catch (Exception e) {
System.out.println("failed");
}
}

bye luigi, have fun…