I was trying to burn FreeSpire with ImgBurn on a CD-R and got this message: DeviceIoControl(FSCTL_LOCK_VOLUME) Failed Device [1:0:0] TSSTcorp CD/DVDW TS-H653L 0514 (E (ATA) Unable to lock volume for exclusive access. Reason: Access is denied Here is the log: I 15:29:40 ImgBurn Version 220.127.116.11 started! I 15:29:40 Microsoft Windows Vista Home Premium Edition (6.0, Build 6000) I 15:29:40 Total Physical Memory: 915,392 KB - Available: 266,612 KB I 15:29:40 Initialising SPTI... I 15:29:40 Searching for SCSI / ATAPI devices... I 15:29:40 Found 1 DVD±RW/RAM! I 15:29:54 Operation Started! I 15:29:54 Source File: C:\Users\JR\Desktop\Win xp hel\ubcd24.iso I 15:29:54 Source File Sectors: 68,304 (MODE1/2048) I 15:29:54 Source File Size: 139,886,592 bytes I 15:29:55 Source File Volume Identifier: CDROM I 15:29:55 Source File Application Identifier: MKISOFS ISO 9660/HFS FILESYSTEM BUILDER & CDRECORD CD-R/DVD CREATOR (C) 1993 E.YOUNGDALE (C) 1997 J.PEARSON/J.SCHILLING I 15:29:55 Source File File System(s): ISO9660 (Bootable), Joliet I 15:29:55 Destination Device: [1:0:0] TSSTcorp CD/DVDW TS-H653L 0514 (E (ATA) I 15:29:55 Destination Media Type: CD-R (Disc ID: 97m15s17f) I 15:29:55 Destination Media Sectors: 359,843 I 15:29:55 Write Mode: CD I 15:29:55 Write Type: SAO I 15:29:55 Write Speed: MAX I 15:29:55 Test Mode: No I 15:29:55 BURN-Proof: Enabled E 15:34:50 Failed to lock volume for exclusive access. E 15:34:50 Reason: Access is denied. E 15:34:50 Operation Aborted! - Duration: 00:04:55 I 15:34:50 Average Write Rate: N/A - Maximum Write Rate: N/A Does anyone know what is wrong?