Why Does a File of the Form TFTPxxx Try to Run at Startup?

A file of the form TFTPxxx (where xxx = numbers) attempts to run at system start and Windows does not know how to do that. Why does it happen? The … [Read more...]

Why Can’t I Add a Small File to a USB Drive?

Problem: You are trying to copy a small file to a USB device with lots of room on it but can't. Why not? The most likely answer is that the root … [Read more...]

What are the Official HTML Color Names and Hex Codes?

HTML colors can be specified in a number of different ways. The most common is to use hexidecimal notation but the HTML specification allows the use … [Read more...]

Why Do I See ‘This Web Site Does Not Supply Ownership Information’ in My Browser?

Newer browsers have security features designed to help you determine if a website you are browsing is a valid and perhaps trusted site. While the … [Read more...]

How to Use Moo0 FileShredder to Permanently Delete Files

In the article "How to Securely Delete a File" we saw that using Windows to delete a file is not the way to do so securely. To completely delete a … [Read more...]

How to Securely Delete a File

Deleting a file in Windows (or even older DOS) removes it from your system -- right? As many a computer criminal as found out the answer is absolutely … [Read more...]

How to Log Into Windows With No Password

When Windows starts you generally get a log-in screen that asks for a password... This is a safety feature that helps keep users who should not … [Read more...]

Why Do I See Action Canceled When Trying to Use a Network Help File?

At times you may see "Action canceled" when trying to access content in a .CHM Windows help file. The most likely cause of this is a security patch … [Read more...]

What are Cookies?

Some people are concerned that web servers have the power to write to their local hard disk without their knowing about it. The information written is … [Read more...]

What is a Scan Code?

In the keyboard are little switches. When you press a key one of the switches is activated and when you release that key the switch is activated … [Read more...]