cd C:\Program Files (x86)\Bitcoin\poclbm\ poclbm.exe --host=mining.bitcoin.cz --port=8332 --user=*******.***** --pass=***** --device=0
Try this:
cd "C:\Program Files (x86)\Bitcoin\poclbm\"
poclbm.exe --host=mining.bitcoin.cz --port=8332 --user=*******.***** --pass=***** --device=0
(There's a newline between the cd ... line and the poclbm.exe... line.)