Well
If your computer is shared or used by more than 1 people and if you want to
know that whether in your absence someone has access your pc or not?
Well for windows 7 and windows vista operating system,here are the
Steps
(1)
Goto Run-> type compmgmt.msc and enter.
Or
Right Click on my computer,Select Manage.
(2)Now
navigate to Event viewer-->Windows Logs-->System.
Now
You will be able to see when your computer will be accessed last time.
Now if you want
to see when your computer last shutted down, just click on filter
current log available in right sidebar.Enter 6006 as event id as shown in
screenshot and then press ok.1st row will suggest you that when you have
last shutted down your computer.
You can also
able to see when your files or folders accessed last time.This way you can
easily trace that if someone else has accessed your personal documents in your
absence.
here are the steps,
(1)Download the search tool Everything: http://www.voidtools.com/
(2)Install it and run it, and wait for it to index your disk (should take less than a minute)
(3)Right-click on the column headers (where it says "date modified"), and enable "Last accessed"
(4)Now search for something random, like windows
Click on the new column header "Last accessed" to sort search results, so that latest are on top
(5)Delete your old search, and search for *.c.So that you can be able to
see the accessed time of all the files having extension .c.Search *.*
instead and you will see all the files listed with last accessed, with dates and times.