Hello, i was updated to 4.1.2, 3-4 weeks ago. Our customers get 503 error when file upload often. How can i fix this error? 503 Service Unavailable The server is temporarily busy, try again later! Powered By LiteSpeed Web Server LiteSpeed Technologies is not responsible for administration and contents of this web site! System: Apache 2.2, Litespeed Ent. 4.1.2 ($65/mo.), Centos 64 bit, 16 gb ram, 300gbx2 sas hdd, Quad Xeon x 2 Regards.