Scare-o-friend
Step 1. Open up notepad
Step 2. Type
lol=msgbox("Whatever you want message to say",20,"Whatever you want the window to be titled")
Example:
lol=msgbox("Muhha..!! Warning your computer has been infected by a virus ",20,"Virus Alert")
Step 3. Save the text as...
Hi Guest we just wanted to alert you to a major change in the forum. We will no longer be allowing the posting of outgoing links. Please use the attachment feature to attach media to your posts.