We have a windows 2008 R2 (Sp1) 64bit; that is currenlty multipurposed (Domain Controller, IIS, Printer Shares and File Shares) Several times daily we are getting the below error, and finding that the splwow64.exe continually consumes memory untill we are forced to reboot. We have aprox 70 printers shared on the server all have been confirmed with the latest drivers. Any help will be appreaciated. Thank-you. - System - Provider [ Name] Microsoft-Windows-PrintService [ Guid] {747EF6FD-E535-4D16-B510-42C90F6873A1} EventID 808 Version 0 Level 2 Task 36 Opcode 12 Keywords 0x8000000000020000 - TimeCreated [ SystemTime] 2012-06-18T12:43:47.528168400Z EventRecordID 22896 Correlation - Execution [ ProcessID] 25780 [ ThreadID] 23668 Channel Microsoft-Windows-PrintService/Admin Computer Lineside-dc1.JEC-Lineside.local - Security [ UserID] S-1-5-21-4111994151-671346289-665250552-1107 - UserData - LoadPluginFailed PluginDllName C:\Windows\system32\spool\DRIVERS\x64\3\PS5UI.DLL ErrorCode 0xc1 Context 112