Booting Windows with Hyper-V turned off
Windows technology called Hyper-V is enabled by default on Windows boot in case of using Hyper-V compatible hardware. This creates a conflict with some virtualization software like VMWare or VirtualBox. The fastest solution for this problem is creating alternative boot option for the same system partition, with Hyper-V option turned off. And the fastest way to do this is to use good old windows command prompt.
Fastest way to edit environment variables in Windows 10
Environment variables are really old windows system settings, but these settings are still in use. In order to edit environment variables in Windows 10 usually you should walk this long path:
1. Get to "classic" System settings. You may right-click on This PC desktop icon and select Properties command from pop-up context menu. Also you may open "classic" Control panel (fast way is to do a search for Control panel desktop app), click System and security, click System.
File system has changed from NTFS to Raw - Problem and solution
If your NTFS file system has changed to RAW - that's probably because your drive partition table has broken. But your data is still there and you can get it back to life. There are a lot hard drive utilites you can use - commercial and free, simple and multimegabyte fancy monsters. But this time I want to tell you about simple, but powerful command line utility, that solves your problem in a few seconds - TestDisk.
Skype secret smiles
Skype, just like other chat clients, provides a set of hidden emoticons that are quite useful. There are currently 15 hidden smileys/emoticons in Skype. These are the secret emoticons that are not in the Skype menu, type them directly in the chat box to use them.