How could I now which programs and for how long time was opened on my PC?

Hi velb,

Not knowing your intent, you have a couple options:

User Logger - Freeware to log computer activity and screen shots
http://chemware.co.nz/usrlog.htm
Who used a computer - uniquely identify the user and computer 
When they used it - exact dates and times 
What they did: 
See what programs they used 
Take pictures of the screen 
See what they typed (Registered version only) 

'
Perfect Keylogger - easy to use solution for PC and Internet surveillance
http://www.blazingtools.com/bpk.html
There's 3 versions.  The free one is fine for your needs.

Read about them both and decide.  They're both great, and the price is right...

If I can be of further assistance in regards to monitoring computer
use, please don't hesitate to ask via the "Request For Clarification"
feature.


~~Cynthia


Search terms used at Google:

"monitor computer use" +freeware 
"monitor computer use" +spy

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Request for Answer Clarification by velb-ga on 24 Dec 2004 14:07 PST

I'd like to know if there is anything in Win.XP prof itself that makes
log records of opened programs. Thank you.

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Clarification of Answer by cynthia-ga on 25 Dec 2004 00:59 PST

Hi again velb,

It's unfortunate you didn't ASK IN YOUR ORIGINAL QUESTION IF WINDOWS
ITSELF had this capability.  As it is, you have already rated my
answer.  You didn't ask me to improve my answer before giving me a
rating. Maybe a commenter will help.

~~Cynthia

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Clarification of Answer by cynthia-ga on 25 Dec 2004 01:00 PST

PS ----BOTH the programs I linked for you are FREEWARE, mraning they are FREE.

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Clarification of Answer by cynthia-ga on 25 Dec 2004 01:05 PST

I want to correct my typo since English is not your first language. 
My Clarification above was meant to say:

PS ----BOTH the programs I linked for you are FREEWARE, MEANING THEY
ARE BOTH FREE, NO CHARGE, YOU DON'T HAVE TO PAY, COST IS NOTHING.

I gave you the Answer you asked for in your posted Question.  Your
original Question never asked for WINDOWS abilities.

~~Cynthia

Thank you for this answer. I didn't ment to buy hte program , bat just
to know if there is any possibility in Win. itself to now which
program was opened. Thanks again anyway and if you have the answer to
my question il be happy to get it.