Believe it or not gravity is not really a force, it is an acceleration and on Earth it is about 32 feet/sec2. This same science principle applies in decelerating devices like parachutes and parafoils. The parachute decelerates or slows down the fall of the object.
What is a .DS_Store or ._ AppleDouble file? .DS_Store files are created by OS X to store metadata about folders and files including viewing options, icon positions and color labels. ._ AppleDouble files are created by the OS X when an application adds resource data or metadata to a file on a disk whose format doesn't support resources or metadata.
Suddenly a folder appears on my external hard drive. It has a name of mixed letters and numbers about 3 inches long. Inside the folder is an executable named MPSigStub. All I can find out, it seems to have something to do with Windows updates.I also read, it could very well be spyware if I find it on my C drive, which I have.I have scanned it with Norton and two spyware programs and nothing.nside the folder is an executable named MPSigStub. All I can find out, it seems to have something to do with Windows updates. I also read, it could very well be spyware if I find it on my C drive, which I have. I have scanned it with Norton and two spyware programs and nothing.