The file name seems to be ok but then you could try the below and see if that helps:
1.) Goto ManageEngine\ServiceDesk folder and rename the 'Patch' folder to "Patch_old".
2.) Download a new file from the below link
http://archives.manageengine.com/service-desk/
and check if this works.
Maljeev
SDP Support - FAQ
ServiceDesk Plus - Help Desk Software of your Choice
1.) Goto ManageEngine\ServiceDesk folder and rename the 'Patch' folder to "Patch_old".
2.) Download a new file from the below link
http://archives.manageengine.com/service-desk/
and check if this works.
Maljeev
SDP Support - FAQ
ServiceDesk Plus - Help Desk Software of your Choice