I have the same problem with my dell xps (320 Gb HDD and 3 GB Ram).
The C Drive in HDD has 95 GB free storage.
But when I free more storage in C Drive, for about 10 GB, (now, I have 105 Gb free in C Drive),
The problem solves.
What's the reason to this problem?
It is very weird!
Edited by hamluis, 31 March 2011 - 05:49 AM.
Split from different topic, PM sent new OP.