A few notepad tricks....
Here's an amusing one....
1.) Open an empty notepad file
2.) Type "Bush hid the facts" (without the quotes)
3.) Save it as whatever you want.
4.) Close it, and re-open it.
Anyone have a reasonable explanation on why it does this
Test your anti-virus
First, open Notepad. Then copy and paste into it the text on the line below. (It should all be on one line.)
X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*
Then select File > Save As > then save the file as eicar.com.
Also, try scanning the folder where you saved eicar.com. To see what happens...
Source: How To Test your anti-virus software
Here's an amusing one....
1.) Open an empty notepad file
2.) Type "Bush hid the facts" (without the quotes)
3.) Save it as whatever you want.
4.) Close it, and re-open it.
Anyone have a reasonable explanation on why it does this

Test your anti-virus
First, open Notepad. Then copy and paste into it the text on the line below. (It should all be on one line.)
X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*
Then select File > Save As > then save the file as eicar.com.
Also, try scanning the folder where you saved eicar.com. To see what happens...

Source: How To Test your anti-virus software