Having recently formatted my laptop, i decided to install an antivirus. Can anyone please recommend me any good antivirus for windows 8 x64 and tell me the difference compared to an internet security package. initially i installed kaspersky antivirus and it resulted in a slow start up for my laptop and slow processing. Can anybody help me?

I was watching youtube on my chrome browser last night and i happened to close my laptop. when i reopened it and accessed youtube i was faced with a green screen. I can hear the audio of the video playing but no visuals only a green screen. how can i fix this?

I am currently assembling my own pc. I heard of a way to combine the writing speed of two hard disks. Can you please walk me through the process of establishing a raid between two hard disks of the same make. Is it true that such a procedure doubles the writing speed?

Dear all, 

Being a complete novice in new technologies, i would like to know your opinion in the matter of displays and Tvs. I have the intention in investing in a new tv and i would like to know the main difference between hd displays and 4K resolution displays. Also, i heard that the new Mac will be released with a 5K retina display. Does the resolution of a TV have any incidence on the the power requirements. I also have a ps3 and i intend to use it with my new tv. I heard that 4k displays are not compatible with...

Dear All, 

I currently own an htc one m7. In terms of performance, it is one of the best mobile that i have used up till now. I would like to know what are the main differences compared to the new m8 model. As i work as a graphic designer, the screen resolution is a very important point for me. Can anyone provide me with a detailed comparison of the screen resolution. 

I am a trader and the use of multiple screens is a requirement for my work. Is it possible to help me find a way to share the screen of my laptop on multiple displays. I have a secondary asus monitor which is idle but only has a vga port. Is it possible for me to connect it to my laptop via HDMI. I have a sony VAIO VPCEA1S1E. 

I have a virtual Widows 7 and I would like to know if its possible to connect to the root for administrative purposes for the virtual widows 7? Does the Linux environment support the administrative share of the widows PC? How else can I get full access to my windows 7 over the network?

I want to update a entertain software, however I do not know how to get about the sudo command in Linux terminal, How do I get about this? is there a manual for the sudo commands for beginner that explains the different sudo commands and their interpretation? where can I get this sudo- command manual?

I have a windows based .exe file is there a possibility that I can Install it on my Linux mint? How can I achieve this, its a software that is not available for Linux but I like the Linux environment? Is it possible to convert a .exe file to a debian version for Linux?

How can I install a virtual file server on my windows PC? I want to be able to share Files that can easily be downloaded over the internet? I read about server operating systems, is there benefits they offer better than running a file server.? What other upgrade would I need to make my computer a better file server, I did a RAM upgrade to 4GB and I have a dual core machine?