1. your computer crashes more frequently2. you have problems while installing things this is pretty much what is happening to me right now ._.
It's also a sign that you have too much stuff on your computer. Try uninstalling anything you don't need and don't use.
Any strange noises coming from your HDD when you boot?Does the affected HDD occasionally seem to 'disappear' from your computer's list of currently installed hard drives in any form or fashion?This.You probably hit a bad sector somewhere.
i have a 80gb bad sector ._.
1. your computer crashes more frequently
4. system 32 gets corrupted