Browsers very slow or not responding

Jan 30, 2018 7:22PM PST

I have a Dell Optiplex 755 running Windows 7. After being away for the weekend, I set down at my desktop and find that it is slow to respond if at all. It is connected to the internet, but I cannot get any of my browsers to open unless I reboot. I have IE, Mozilla, and Chrome. If I do happen to get online, it will operate for 10 minutes or so and then when I click on a link or another page, it will not respond and "(not responding)" appears at the top next to the URL. I can try to close the webpage and it will not respond or is very slow. I uninstalled the Mozilla as something like this has happened before with Mozilla, just not as bad. But it also is happening with IE and Chrome. I have McAfee Total Protection and it shows no viruses. I have tried top run my Anti-MalWare but it will not open and whenever I reboot, an icon pops up stating the Malware is not updating. I try to turn automatic updates on, but no go. Help!

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Safe mode
Jan 30, 2018 10:27PM PST

Boot to safe mode.
Does your anti-malware, whatever it is you did not say, now run?

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Safe mode
Jan 31, 2018 7:22AM PST

I did reboot in safe mode and was able to run my Malwarebytes. It showed no malware but it is not allowing me to turn on the real time protection. I can open my browser for a short time but in less than 10 minutes, it quits responding.

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Jan 31, 2018 8:01AM PST

Boot to safe mode with networking.
Visit the cnet forums and browser around for 10 mins.
Does the browser quit?

I don't have malwarebytes so I can't help there.
Is it the paid or free version?

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Cannot connect to the internet while in safe mode
Feb 1, 2018 2:45PM PST

I tried to connect to the internet while in safe mode and it would not allow me to do so. Also, I have a paid version of Malwarebytes.

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Not safe mode
Feb 1, 2018 9:24PM PST

Safe mode with networking.

How does this machine connect to the internet?
Wired or wireless?
Is there a router in the mix?

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