To reset RAM without restarting computer, try this:
Open Notepad
Enter the following command: FreeMem = Space(100000000). In this example, you will release 100MB of RAM.
Save this file with the .vbs format.
Open again Notepad
Enter the following command:
Mystring = (80000000)
Save this file with the .vbs format.
Double click each of the two vbs file.