Low memory: RAM or HD Storage. Causes and Solutions
This article about Low memory: RAM or HD Storage. Causes and Solutions
Too many programs open (games, video editing, excel and etc, see task manager).
HD storage too small.
Close applications that uses too much RAM and only use one at a time.
Perform Disk Clean up to free up space (recycle bin, download folder, cache data, temp files, and old OS restore points).
Alternatively, you can purchase more RAM or ADD a Second HD.