I ran the WinSetupFromUSB program v0-2-3 on my USB pocket disk and got an error message: "grubinst.exe could not make a backup of MBR of disk #1". Below is the WinSetupFromUSB.log: 2009/07/18 13:41:18- WinSetupFromUSB 0.2.3 started 2009/07/18 13:41:18- OS: WIN_XP Architecture type: X86 ServicePack: Service Pack 3 OS Language: 0409 2009/07/18 13:41:18- Getting USB drives information 2009/07/18 13:41:18- Found USB Physical Disk: Generic USB Disk USB Device -- \\.\PHYSICALDRIVE1 2009/07/18 13:41:18- Found USB Disk Partition: Disk #1, Partition #0 2009/07/18 13:41:19- Found USB Logical Disk: H: File system: FAT32 Bootable: -1 2009/07/18 13:41:19- Found USB Disk Partition: Disk #1, Partition #1 2009/07/18 13:41:21- Target drive selected- H: 2009/07/18 13:41:21- Drive letter of the active partition in selected disk- H: 2009/07/18 13:41:21- Total target size avialable- 38136 MB 2009/07/18 13:41:21- Checking sizes... 2009/07/18 13:41:21- Total source size- 0 MB 2009/07/18 13:41:21- Target space available- 38136 MB 2009/07/18 13:41:31- Checking sizes... 2009/07/18 13:41:31- Total source size- 586.2 MB 2009/07/18 13:41:31- Target space available- 38136 MB 2009/07/18 13:41:31- Windows source selected- E:\WinXP SP3 OneNote Slim 2009/07/18 13:41:31- Source version- Windows XP Professional 2009/07/18 13:41:31- Service Pack- Windows XP Professional Service Pack 3 2009/07/18 13:41:31- AMD64 flag- 0 2009/07/18 13:41:43- Removing TEMP folder 2009/07/18 13:41:43- Checking if grub4dos is installed properly 2009/07/18 13:41:43- grub4dos BS/MBR and files are NOT installed properly 2009/07/18 13:41:43- Installing grub4dos BS/MBR and files 2009/07/18 13:41:43- Backing up MBR of disk #1 2009/07/18 13:41:43- C:\WinSetupFromUSB 0.2.3\files\grub4dos\grubinst.exe -s=mbrdisk1-20090718-134117.dat -t (hd1) 2009/07/18 13:41:55- grubinst.exe could not make a backup of MBR of disk #1 2009/07/18 13:41:55- ---------------------------------Program quited ----------------------------------------------- Please tell me how to solve the problem.