It doesn't mine because it doesn't see any opencl hardware, of course. This means that you have to install the drivers or choose another miner. Open guiminer, clic file->new miner->ufasoft CPU miner and then set it. It should work. Note that cpu mining is totally useless. GPU mining is no more profitable now too, due to ASIC.
thanks but everytime i click start i get
2013-02-06 19:25:19: Running command: C:\Users\Desktop\Desktop\guiminer\miners\ufasoft\bitcoin-miner.exe -u dandancancan.worker1 -p ******* -o
http://api2.bitcoin.cz:8332 2013-02-06 19:25:33: Running command: C:\Users\Desktop\Desktop\guiminer\miners\ufasoft\bitcoin-miner.exe -u dandancancan.worker1 -p ******* -o
http://api2.bitcoin.cz:8332 2013-02-06 19:25:40: Running command: C:\Users\Desktop\Desktop\guiminer\miners\ufasoft\bitcoin-miner.exe -u dandancancan.worker1 -p ******* -o
http://api2.bitcoin.cz:8332 2013-02-06 19:25:42: Running command: C:\Users\Desktop\Desktop\guiminer\miners\ufasoft\bitcoin-miner.exe -u dandancancan.worker1 -p ******* -o
http://api2.bitcoin.cz:8332 2013-02-06 19:27:07: Running command: C:\Users\Desktop\Desktop\guiminer\miners\ufasoft\bitcoin-miner.exe -u dandancancan.worker1 -p ******* -o
http://api2.bitcoin.cz:8332 2013-02-06 19:27:11: Running command: C:\Users\Desktop\Desktop\guiminer\miners\ufasoft\bitcoin-miner.exe -u dandancancan.worker1 -p *******-o
http://api2.bitcoin.cz:8332 2013-02-06 19:27:19: Running command: C:\Users\Desktop\Desktop\guiminer\miners\ufasoft\bitcoin-miner.exe -u dandancancan.worker1 -p ******* -o
http://api2.bitcoin.cz:8332 2013-02-06 19:27:40: Running command: C:\Users\Desktop\Desktop\guiminer\miners\ufasoft\bitcoin-miner.exe -u dandancancan.worker1 -p ******* -o
http://api2.bitcoin.cz:8332