Why is it difficult to install apps from window 8 store? Whenever I tried installing apps from window 8 store, I sometimes get this message: “Something happened and this app couldn’t be installed”. Why am I getting this message? Could it be that the anti virus and window firewall that is enable the cause? Should I disable the firewall?

What are the differences between one time password (OTP) and security tokens? Is it true that some tokens work as hardware OTP? Which of the two implements a cryptographic challenge response authentication? Can an attacker remotely made an unauthorized transaction while someone is using OTP? are the two part of multilevel authentication?

I was with some tech friends of mine and I overheard them talk of a raid system and I had no clue what they were talking about, can someone please elaborate what a raid system does and is it that expensive to develop one? What could be the estimate amount for developing such a system?

What are the leading app for cloud computing implementation? With many apps available for cloud computing, one is sometimes perplexed as to which app is best for cloud implementation. What features should one look for in selecting app for cloud implementation? how cost effective are the leading app in cloud computing?

What is the difference between anti keylogger and conventional virus software? Which of the two is the best for fighting system keylogger? How do I detect the presence of dangerous or ordinary keylogger in a system with or without antivirus software? Can keylogger reside in a system with good anti virus software?

I want to connect with my friend from the neighboring building over 500 meters; Will a wireless connection be suitable for such a connection? If not so how else can I connect with Him? We would like to share some games, movies  but I’m not interested in a cable and how fast can the alternative be and what cost?

Which game should I buy amongst the many game schedule for release in 2015? With many games to come to shelve in 2015, one may be bewildered with which one to play first. Games like star wars: battlefield, Halo 5: guardian, batman arkhan Knight, final fantasy and many more schedule for release, what criteria should I use in determining what game to buy?

What should I do to make my xbox one connect again to the Microsoft Xbox Live? Just after the total black out experience by xbox gamer due to the recent cyber attack on Microsoft xbox live network, now connecting to the xbox live network is proving difficult. Why is my console not connecting after the xbox live network is back online?

Why is my Google nexus 9 hanging? I downloaded an app from Google play, while installing the app the shutdown. I restarted the device, but whenever the device finish loading, it always hangs. How do I make the device to stop hanging? Should I report the behavior to the app vendor?

How do I update my computer system with missing system registry files? I recently uninstall a window media player redistributable and the system start complaining about missing system registry file when I tried to install new media player software. Why does the uninstall app remove the system reg file? I tried system restore, the problem is still persit.