If the computer locks up and becomes unresponsive, it may not be possible to access the Start menu and shut down in the usual way. Sometimes even the mouse fails to respond in the most serious lock-ups. When this happens there is only one option and that is to hold down the power button.

A quick look on Task Manager on any Windows system will show dllhost.exe running within the background. If you found this process running in the background of your system, then it’s likely you’ll want to know what it is, what it’s doing there and whether or not it is safe. To start with, I can say, categorically that it is supposed to be there.

The DNS Unlocker is essentially pop-ups and coupons that display on your web browser without your consent. DNS Unlocker is an adware program, which is basically a way of describing a potentially unwanted program (PUP), because it’s usually installed on the user’s computer without knowledge or consent, modifying the web browser settings in order to display those annoying pop-ups, every time you surf the web.

When it comes to locking a folder, there are a number of methods that you can use; the vast majority of these methods require you to at least use some kind of third party application. However, if you would like to know how to lock a folder using purely manually methods, then you have come to the right place. It’s more important you know that the methods outlined below, though very good, can be undone by an experienced computer user.

Is your computer running much slower than usual? Do you get lots of pop-ups? Does your computer exhibit any other unusual problems? If so, then there is a good chance that it is infected with malware – despite having antivirus software installed and running on your computer.

Dumprep.exe is a legitimate component of your Microsoft Windows based system that is used exclusively for the error dump reporting tool. The dumprep.exe file is used for sending error and crash reports to Microsoft. If you have ever had an error on your computer, then you should be familiar with the “Send Error Report” message that typically appears on the screen, giving the user the opportunity to send a report of the error to Microsoft.

The nwiz.exe file or process works in tandem with the most recent (2002 onwards) version of Nvidia graphics card drivers. Nwiz.exe is essentially the exe file for the Nvidia nView tool, which allows users to customize and modify their desktop layout in a number of different ways. From cloning the display across one or more displays, support for multiple virtual desktop displays.

I would like to start off by posing the question “what are pop up ads?”, well essentially they are small windows that appear automatically, without your consent, on your computer screen. They typically display advertisements (but not always), which may be to a legitimate business offer or a scam. Some pop up ads can be part of an elaborate phishing scam, designed with the intentions of tricking unsuspecting users into parting with their personal and financial information.