Why is a Hamachi complaining about tunnel error after upgrading from window 8.0 to window 8.1? I recently upgrade a system and Hamachi fail to connect the client to the network displaying tunnel error. I later uninstall the VPN, behold the next installation produces DLL require. Where do I get the DLL? Could restoring to window 8.0 solve the problem?

Recently I have been experiencing the problem of someone accessing my Facebook account again and again. I have the mobile code feature on in which you have to enter code from your mobile so the person is not able to open my account. But I have to keep on changing the password and it is very annoying. What can I do to stop this? Does Facebook have any additional security features?

Why is my IP address different from my location? I am having a serious task in changing the system IP to my Location IP. This has started after I install a VPN on my laptop, now my IP is showing Afganistan. I later disable the VPN program, but yet the IP remains the same. After I uninstall the program, the system stop browsing altogether. What is the cause of this behavior? Also, what option do I have to reclaim my IP?

Why is my laptop WI if difficult to off after it was switched on? Whenever I switch on the Wi-Fi of my system, to switch off the Wi-Fi is almost impossible. These started after I install new VPN software. The most annoying thing is that I can’t even control who uses my Wi-Fi as anybody within reach can easily connect to my Wi-Fi.

How do I attach my digital signature to my email account so that all the mail I send would bear my signature? I have tried all what I know to show my signature at the bottom of the mail I sent, but I haven’t got how to do professionally. The last time I tried, the signature looked like an attachment which is not how I want it to be because other peoples who send their signature with an email to me look unique.