cache problems

I've been having consistent errors (See Below) when using a movie cataloguer that I have. I have contacted their support a couple of times about this, but they insist that the problem is at my end, and not the fault of the program. Working on that premise at the moment, it appears to me that...

Hi all. My mate gave me his laptop after throwing it to the floor during a temper fit. My daughter has a similar model. I swapped the hdd to see if it was ok. It was. I put my daughters hdd back in and now it doesn't show any user icons at the start up window?? This means I can't get in to do...