2000 NT WILL NOT START VIEW MUCH OF HELP TOPICS NO FIX YET

 ???I HAVE WINDOWS 2000 PRO AND WORKED GREAT TILL I FOUND SOME TOOLS FOR RECOVERY OF DELETED DATA THEN ONE DAY AT BOOT UP A BLUE SCREEN AND REBOOT CONSTANTLY I TRIED REMOVING SAVED FILES FROM HD FROM RECOVER SOFTWARE AND ERROR MESSAGE STOPS ME THAT IS THE ONLY THOUGHT I HAVE IS THIS PROGRAM IS FAULT THERE IS NO INTERNET CONECTION TO THIS COMPUTER DELL AND USED CD TO SETUP PROGRAM, I HAVE TRIED THE ADRC AND RECOVERED DELETED DATA BUT ALL APLICATION AND EXTENSIONS ARE NOT IN THE FOLDERS WERE THEY SHOULD BE, IF NEEDED AT ALL, I HAVE SERVICE PACK EMERGENCY REPAIR AND CHECKED DISK REPORTS 1 OR MORE ERRORS BUT DOES NOT SAY IF THEY ARE FIXED, I TRIED BOOTCFG AND LISTS OS TO BOOT AND FIXED MBR STILL NO CHANGE, SAFE MODE NO, REPAIR DOMAIN CONTROLLERS NO, RESTORE TO PREVIOUS PROFILE NO, LAST GOOD CONFIG NO, WILL LOAD SHOWING WIN 2000 SCREEN THEN JUST WHEN DESKTOP WOULD APEAR , REBOOTS THIS IS HOPEFULLY PIECE OF CAKE FOR SOMEONE OUT THERE TO TACKLE THANKS JOHN