As others have mentioned, Ubuntu is not the most reliable OS. It's kernel upgrades are known to break things. I like Debian Stable for a reliable Linux OS, but takes more work to set up. You might try MX 17, or Mint 18 and leave the Mint update manager on the defaults to avoid kernels breaking your OS. Finally, if you are still miserable, reinstall Windows 10, it's not much harder than Linux at this point, and do some distro-hopping with a usb stick in the mean time until you find a Linux system you are comfortable with.
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