Admin Edit Product->Preview screen strips slashes.
This is simply opening the edit product page, then continuing to Preview. At this point the image will be missing as the slashes have been removed from the path, saving the changes will save the now-incorrect paths as shown.

Before:
Click image for larger version. 

Name:	edit_pre.jpg 
Views:	72 
Size:	15.0 KB 
ID:	16102

After
Click image for larger version. 

Name:	edit_preview.jpg 
Views:	66 
Size:	15.2 KB 
ID:	16103


Server OS: Windows NT E5540 6.2 build 9200 (Windows 8 Business Edition) i586
HTTP Server: Apache/2.4.12 (Win32) OpenSSL/1.0.1l PHP/5.6.8
PHP Version: 5.6.8 (Zend: 2.6.0)
Database: MySQL 5.6.24