error in htc unlocker

[prasad44]

Selected model: Excalibur
Set Security Policy ...Done.
Reading Simlock data ...
Running MemDump task ...
Connected.
Syncing from bkondisk.exe to dev:\
"bkondisk.exe"Copying (New) ... 0/21 k 21/21 k ok
Connected.
Syncing from dev:\simlock.bin to simlock
"simlock.bin"Copying (Newer) ... 0/256 k
Error copying: "\simlock.bin" to "simlock\simlock.bin"
Copy Failed
Usage: CeCopy [options] Source_FileSpec Destination
Options:
/is Include same files
/s Include subdirectories
Arguments:
Source_FileSpec File specification denoting the source of the copy.
Destination Where files should be copied to.
For the source, wild cards or directory names may be specifed, as may be single
files. The destination can be either a directory or a file name, depending
on the type of source specified.
By default, an argument is assumed to live on a local filesystem. To indicate
that either argument denotes a location on a device connected via ActiveSync,
prepend 'dev:' to that argument. To articulate that a local filesystem is
referenced, prepend 'desk:' to the argument.
Exiting.
Simlock data dumped OK.
Loading simlock.bin 0x20000...
Invalid simlock block!