> For some Web sites I get the message:
> A problem occured during the mirroring operation
> 'Unable to create the log file E:..... etc'
> Please could you tell me the cause?
You don't have administrator rights for writing on E: -
 or you may have defined an incorrect path for output.
Ensure that you defined a directory like 'C:\My Web 
Sites' for the projects (and check that you can write 
into this directory!)