Hi, I have run NOD for a while, and love it. I have recently started getting these MBR errors shown though, and not sure if it indicates a problem or not. Any advice would be welcome, thanks Adam Scanning Log NOD32 version 1.663 (20040312) NT Command line: /config=My Profile Checking CRC of the NOD32.EXE file: status OK Operating memory is OK. Error occured while scanning MBR sector of the 3. physical disk. Error reading sector. Error occured while scanning MBR sector of the 4. physical disk. Error reading sector. Error occured while scanning MBR sector of the 5. physical disk. Error reading sector. date: 13.3.2004 time: 01:00:43 Scanned disks, directories and files: F:\Bat Attachments\ number of files scanned: 17 number of viruses found: 0 time of completion: 01:00:43 total scanning time: 0 sec (00:00:00)