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U tube will open starts download then locks up, freezes the screen and computer is locked up

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There are many things that might cause your PC to Freeze. It could be a fragmented disk; fragmented registry; a virus, trojan, or spyware; high CPU and/or utilization due to too many programs running; high disk I/O; or something else.

To check your CPU and memory utilization, run Task Manager. You can start Task Manager by pressing CTRL+ALT+DEL and then clicking on the Task Manager button. In Task manager, click on the Performance tab and check CPU Usage and PF Usage. PF Usage is an indicator of memory usage. If one or both of these is high, click on the Processes tab, and sort the columns by CPU or Memory to see what processes are consuming the resource. If you are not sure what the process "Image name" is for, google the name and you should find what the process is for.

If your CPU and memory usage are reasonable, then you may have a different issue. Even if you running anti-virus software, it may be beneficial to scan your PC with another scanner to check for viruses. No anti-virus software is 100% perfect at catching everything. Here are a few good free online virus scanners that you can run to check your PC:

http://security.symantec.com/sscv6/home.asp?langid=ie&venid=sym&plfid= 23&pkj=RRJEDTKJBTVISBYWWYP

http://onecare.live.com/site/en-us/default.htm

http://www.eset.com/us/online-scanner

http://www.pandasecurity.com/homeusers/solutions/activescan/

An excellent free utility for overall system maintenance is Advanced SystemCare Free ( http://download.cnet.com/advanced-systemcare-free/3000-2086_4-10407614 .html ). I use this utility on a regular basis.

You should always run anti-virus software. There are several very good, free, anti-virus products available. One good source to read editor and user reviews, and safely download anti-virus software, is http://download.cnet.com -- search for free antivirus software. In addition to the reviews, you can see how many people are downloading the software, which is another good indicator of how popular it is.

I have used AVG Free ( http://download.cnet.com/avg-anti-virus-free/3000-2239_4-10320142.html ) , and Avast Free ( http://download.cnet.com/avast-free-antivirus/3000-2239_4-10019223.htm l ). Both are very good, and completely free. At present I am using Avast on all of my home computers.

I have heard good things about Avira AntiVir Free ( http://download.cnet.com/Avira-AntiVir-Personal-Free-Antivirus/3000-22 39_4-10322935.html ), and it has good ratings, but I have not personally tried it.

In addition to Avast or one of the other free anti-virus software packages, I also run Ad-Aware ( http://download.cnet.com/ad-aware-free-internet/3000-8022_4-10045910.h tml ). Ad-Aware is a free anti-malware, anti-spyware package.


Posted on Apr 06, 2011

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Follow these steps and I believe your problems will be solved, if not then look for something mechanical/electrical wrong with the computer.
***********************************************************************
To remove a virus,trojan,worm,etc from your computer...do it the EASY way...let someone else do it for you.
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