TCP error

My computer has had problems with TCP ports for about 3 months now here are the details on the problem. I tried simple solutions such as restart, I reformated yet, but it's an option, I was wondering if anyone has had this problem with windows XP and it solved without reformatting.

1. cannot connect to any programs downloaded except things that use UDP

2. some Web sites won't load

3. When you use a port checker error [Port refused connection] both when the firewall is disabled and the port is a permit

OK im on vacation right now, but im going back tomorrow iv removed a large number of malware and evil be able to use the ports when I return

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Tags: Windows

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    the reason given is-> Scan failed. The input string does not contain data in the expected format.

    I'm guessing it's because the code itself is not configured for TCP/IP connection? Help

    Nevermind, I found another component that can help with this problem

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