Here are a couple "cleaner" apps that very well might help. I honestly think I need to reinstall XP on my "main" system at home, but haven't done so - matter of fact, I've been putting it off, now, for a good solid 2 years - VERY unusual for me.
Well, when I first learned about IoBit Advanced System Care, I first thought it'd not be any help, be more trouble than worth, like many "fixer" apps. But I tried it. My system REALLY pepped up. So now, from now on, I run that AND Glary Utilities on every system I've got at least every couple weeks to a month. They really do help a lot:
and
Also, CCleaner isn't a bad try:
And a good defrag program, better than default Windows defrag, built by Iobit as well:
And it would also be a very good idea to scan for Malware:
MalwareBytes Antimalware
and also, after MalwareBytes:
SuperAntiSpyware
Another thing you can do manually, is to look, and make sure there are no processes that are eating up CPU cycles. This can happen if any app gets buggy, or it's one that needs to connect to the web, but perhaps a firewall is blocking it... and of course, malware..
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"If to err is human, then I must be some kind of human!" -Me