I use both Windows and OS X daily and I run Windows on both Macs and Windows-only hardware. The Windows operating system requires more regular maintenance than OS X. This is true whether you run Windows under BootCamp on a Mac, or whether you run it on a dedicated Windows PC like a Samsung.
Crashes, freezes and "not responding" messages are all symptoms that your Windows installation needs maintenance. A simple step you can take that fixes many, but not all problems is to open My Computer, right-click on your Hard Disk, choose Properties, click on the Tools tab and under Error-checking, click on Check Now. Select Automatically fix file system errors and click on the Start button. Windows will inform you it can't work on the disk while it's in use. Click on the Schedule disk check button, then restart your computer. If you're using Windows 7, this process can take awhile, so do it at the end of the work day.