SOME program is RUNNING which causes that circle to be going around and also why you have a delay.
That is occupying resources like Memory and processor which is you are having delays.
Your computer needs a good cleaning for malware and other possible trojans, rootkits, bad guys...
Kathy, please click on this LINK I am providing, and let your computer be scanned by COMODO online FREE scanning program. It will do a real good job and could find some things causing your computer trouble. Worth a try.
http://antivirus.comodo.com/security/antivirus-scan-online.html
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