It seems that you are not alone in your issues/concerns with Windows 8! Back in November Windows 8 forums (www.forumswindows8.com) released the top 10 issues with the system based on feedback from users.
Here's a quick summary of what users said:
• 15% of users say they encounter errors during installation/activation.
• 11% have difficulties in software/apps. For instance, being unable to install a certain program or a certain program won't work correctly on Windows 8.
• 9.3% users have problems with their hardware and drivers.