Ah, my bad. Misunderstanding.
Try this:
open up wp-content/plugins/file-away/lib/cls/class.fileaway_management.php
and make the following changes:
//lines 325-236
$parents = stripslashes(trim(str_replace('..', '', $_POST['parents']), '/'));
$newsub = stripslashes(trim(str_replace('..', '', $_POST['newsub']), '/'));
//replace with
$parents = trim(str_replace('..', '', $_POST['parents']), '/');
$newsub = trim(str_replace('..', '', $_POST['newsub']), '/');
//lines 410-411
$oldpath = stripslashes(trim(str_replace('..', '', $_POST['oldpath']), '/'));
$newname = stripslashes(str_replace(array('..','/'), '', $_POST['newname']));
//replace with
$oldpath = trim(str_replace('..', '', $_POST['oldpath']), '/');
$newname = str_replace(array('..','/'), '', $_POST['newname']);
//line 417
$parents = stripslashes($_POST['parents']);
//replace with
$parents = $_POST['parents'];
//line 536
$path = stripslashes($path1.'/'.$path2);
//replace with
$path = $path1.'/'.$path2;
//lines 672-673
$url = stripslashes($_POST['url']);
$pp = $problemchild ? fileaway_utility::replacefirst(stripslashes($_POST['pp']), $install, '') : stripslashes($_POST['pp']);
//replace with
$url = $_POST['url'];
$pp = $problemchild ? fileaway_utility::replacefirst($_POST['pp'], $install, '') : $_POST['pp'];
//line 803
if(!is_file("$oldfile")) $oldfile = stripslashes("$oldfile");
//replace with
if(!is_file("$oldfile")) $oldfile = "$oldfile";
//line 831
$file = $rootpath.stripslashes($file);
//replace with
$file = $rootpath.$file;
//lines 899-900
? fileaway_utility::replacefirst(stripslashes($_POST['destination']), $install, '')
: stripslashes($_POST['destination']);
//replace with
? fileaway_utility::replacefirst($_POST['destination'], $install, '')
: $_POST['destination'];
//lines 906-907
$fro = stripslashes($fro);
$to[$k] = stripslashes($to[$k]);
//replace with
$fro = $fro;
$to[$k] = $to[$k];
//lines 958-959
? fileaway_utility::replacefirst(stripslashes($_POST["destination"]), $install, '')
: stripslashes($_POST["destination"]);
//replace with
? fileaway_utility::replacefirst($_POST["destination"], $install, '')
: $_POST["destination"];
//lines 965-966
$fro = stripslashes($fro);
$to[$k] = stripslashes($to[$k]);
//replace with
$fro = $fro;
$to[$k] = $to[$k];
//line 1026
$file = stripslashes($file);
//replace with
$file = $file;
//line 1084
$location = stripslashes($location);
//replace with
$location = $location;