help to fix computer please

[angleyesau]

Hi I need help and I am hoping someone can help me . I
just had cable installed and now my computer is running so
slow and its freezing and loading very slow can anyone
please tell me what to do to fix it thank you

 

[Pen]

Here's a few free scanners to check for viruses.
http://housecall.trendmicro.com/
http://www.pandasoftware.com/activescan/com/activescan_principal.htm
http://security.symantec.com/sscv6/default.asp?langid=ie&venid=sym
http://www.kaspersky.com/scanforvirus.html

Then install an anti virus program.
If you don't wish to spend money, then this is a well thought of one.
There are some others.
http://www.grisoft.com/us/us_dwnl_free.php