HI there, This is my first post here and I am really hoping someone can find a solution to my problem.I am running windows XP professional and I keep getting the error "windows encountered an error and needs to close " whenever I try to access my D: drive , which has folders containing mainly pictures and movies avi, mpeg... I tried a restore but it didn work , i also tried to automaticall fix errors in Drive D , and defragment. Still the same error. the error happens whether I am connected or not to the internet. HEre are some of the many errors found in the Event Viewer : 1- Applications : Faulting application explorer.exe, version 6.0.2900.2180, faulting module ntdll.dll, version 5.1.2600.2180, fault address 0x0001853a. Fault bucket 128391771. 2- System Warning:TCP/IP has reached the security limit imposed on the number of concurrent TCP connect attempts. Error:Your computer has lost the lease to its IP address 192.168.1.2 on the Network Card with network address 000E35CF0698. For the moment I am scanning drive D with avast! to make sure there is no virus there. Thanks in advance for any help I can get onthe matter.