i have the same problem.
Wordpress 4.2.4
Enfold 3.2.3 -> Update to 3.3 via WordPress Backend do not work.
Warning: touch(): Unable to create file C:\Users\CARL\AppData\Local\Temp/enfold.zipAWSAccessKeyIdAKIAJYG5ROGJ6X7Z3M6QExpires1440021521SignaturedsebLjUB3Xww36XBs2IhF%2BMYBiU%3Dresponse-content-dispositionattachment%3B-filename%3Dthemeforest-4519990-enfold-responsive-multipurpose-theme-wordpress-theme.tmp because Invalid argument in D:\Programme\xampp\htdocs\nantec.de\wp-admin\includes\file.php on line 164
Warning: unlink(C:\Users\CARL\AppData\Local\Temp/enfold.zipAWSAccessKeyIdAKIAJYG5ROGJ6X7Z3M6QExpires1440021521SignaturedsebLjUB3Xww36XBs2IhF%2BMYBiU%3Dresponse-content-dispositionattachment%3B-filename%3Dthemeforest-4519990-enfold-responsive-multipurpose-theme-wordpress-theme.tmp): Invalid argument in D:\Programme\xampp\htdocs\nantec.de\wp-admin\includes\file.php on line 464
Beim Aktualisieren von Enfold trat ein Fehler auf: Download fehlgeschlagen. Konnte Verbindung zu C:\Users\CARL\AppData\Local\Temp/enfold.zipAWSAccessKeyIdAKIAJYG5ROGJ6X7Z3M6QExpires1440021521SignaturedsebLjUB3Xww36XBs2IhF%2BMYBiU%3Dresponse-content-dispositionattachment%3B-filename%3Dthemeforest-4519990-enfold-responsive-multipurpose-theme-wordpress-theme.tmp über fopen() nicht öffnen