My laptop has recently been affected by the CTB locker virus and all the word, pdf and excel files has their extensions turned to .ximsrci, making them impossible to open. If I try opening them with word, the data is all encrypted. Can you help me retrieve my files since they had very important information?

I used to use Eset NOD 32 antivirus on windows 7 but ever since I upgraded to windows 8.1 pro, it is giving me problems. I installed it but it did not fully install, I have tried removing it but it cannot be uninstalled. This leaves my computer with no protection. I have tried software like Revo uninstaller but none of them has helped. How can I uninstall it without damaging the other programs?

I have a WinRAR software that I have tried to extracted a certain zipped file but it tells me its broken, Is there a way I can fix broken files runing WinRAR for windows? Is it possible to extracts certain files in a broken zipped file? How can I achieve this?

I have been looking into setting up my first cloud website. I came across the term virtual memory but term but did not understand what it meant? Does this meant the same thing as the memory in your computer like ram or like the space on your hard drive for a computer?

I am putting together a proposal for a client and need to clarify a few points.  Can someone explain the technical differences of Main Frames - Grid Computing - Cloud Computing? Which one is actually the best value and reliability for a growing company? And is paying to outsource these resources a good idea?

I have numerous emails that I send monthly, how can I set up a mass email client for the emails? does the Google account have a maximum email sending limit per day or do I need to get another domain server in-order to send the emails? Does such a service support relay and delivery notifications for emails?

I had the technology enthusiasts mention that windows 10 is due for release this year? Will windows 10 support the same pipeline as the predecessor 8 and 7? I can imagine because I heard that It will be installable in both the tablets and the computers at the same time. Will this Operating system require a particular hardware upgrade or the previous processors can support this? that is the Pentium 4 processors

How can I restore clean up due to CC cleaner for the registry? I recently had a cleanup that is affecting my machine, the registry may be damaged or corrupted. How can I back up the registry next time to avoid such a mess? Is it possible to store the registry settings separately from the machine?

I have a Pentium 4 motherboard that got damaged due to power blackouts, How how can I know the compatible boards with this one for replacement? I want to recover all my hardware components especially the processor. Do the boards have a part list number for identification? How can I get this number?