Anytime I want to download files from The Internet a pop up box said I don't have eniugh space.

Even those Windows 95 Explorer is saying I have 701mb space left.

What would be happening?

Thanks

its likely because Windows uses a chunk of disk space for its swap drive. This is usually dynamic in size. To check the current size right click "My Computer and left click properties. In the Performance section you can view or change the swap file size.

When was the last time that you defragged the computer in Safe Mode? I will be willing to bet that it will take care of it.