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If you're asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem. Also please exercise your best judgment when posting in the forums--revealing personal information such as your e-mail address, telephone number, and address is not recommended.
Strangest Issue I've Seen
Background
* Peer to Peer network
* All users use the same login
* All 9 PC's use the same program called Patterson EagleSoft which the database resides on
* They use 2 mapped drives to a "server" where files are stored that are needed for the program to operate properly.
* They shut the OP rooms down nightly and boot them in the morning.
* All PC's are Dell OptiPlex 330 with XP SP3 and latest patches.
* AntiVirus is Symantec Corp Ed V9.
* They had an electrical storm the night before this all started...and they said it was bad.
Nothing in the event log that details any issues.
Yesterday Morning
Got a call that their software wasn't working properly. When I arrived, I found it's only the OP rooms that are having issues. 3 other PC's in the office are running fine. Upon investigating, found that the 2 mapped drives were no longer mapped. Remapped the drives and all but 2 of them ran fine the rest of the day. The 2 that had issues, were having many various issues upon boot...different issues everytime I rebooted. One time it would have userinit issues, sometimes resource issues, other times the "Start" button would extend along the entire bottom of the screen and take up about half the screen vertically. Ran virus scan and found nothing. Running out of immediate ideas, I restored them back to Sept 1st and this worked fine.
This Morning
Got another call...same issue on 3 of the 9 PC's (one the same as yesterday). Everyone else is fine. This time, was getting insufficient resources and using "default profile" upon login. Getting multiple win32 application errors when trying to start regedit or cmd. Ran ComboFix, MalwareBytes, TSSKiller, and VundoFix...everything was squeaky clean. Then ran HiJackThis, found nothing suspicious at all that would lead me to believe there's a virus.
Ran Extended hardware tests using Dell's Diagnostic built in tests...including extensive memory tests...all passed.
Going to reload the OS and see if this works...but because I believe that if the other systems reboot, they could have the same issue, I wanted to see if anyone ran into this, or could give me an idea what to look at.
Lastly...no PC ever lost internet connection, no evidence of virus at all,