I want to get some experience with BitCoin and try mining either by joining some pool or by using more pcs on my own, so I just installed Bitcoin Wallet and noticed it behaves strangely. The first database loading took about 8 hours maybe (which is crazy and I don't think it is normal) and during that time I put my laptop to standby several times but it looked like it continues. Unfortunatelly when it was about to reach 100% the application crashed. I think it was because of the interruptions by standby. So I started it again and this time it was completed in about an hour (maybe because of different ISP I was connected to). But it does not really work even after that - it constantly says "catching up" and eats 100% of CPU power but the number of downloaded blocks is the same as is on bitcoincharts, so I don't have a clue what it is doing. There are no timestamps in debug.log so I don't know if I can find something there.
So about an hour ago I exited bitcoin-qt which was running for about 5hours and ate all my CPU power for nothing. Now I started it again and it does the same: catching up and eating 100% CPU. I doubt this is normal. So I thank you in advance for your help.
Until your wallet catches up with the current chain it will sit there and run till it completes. As for the 100% CPU what cpu do you have?