Hi, thank you for contacting JustAnswer.com. My name is Russell. I will do my best to provide the right answer to your question.
I would surmise that your computer might have been afflicted to a greater or lesser degree, with malware or a virus, by the sound of the symptoms you describe.
If your PC has no security software (no anti-virus, no firewall or internet security), then I suggest that you acquire one. (If you have no amount budgeted for the higher-end names in security and anti-virus software, there is the Free edition of AVG
or there is Avast
Have you tried using an alternate browser to access web pages? I suggest, if you have not tried it, the Firefox browser, which may be downloaded and installed from this page:
This might help with the web page browsing problem.
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