May be compatibility issues. I suggest you to use Windows Store themes. Simply open Windows Store and search for themes so there you get lots of beautiful themes and they work fine on your pc.
Some of your driver is the culprit, Check all your drivers and update them by downloading from manufacturer website. Restart your computer then shutdown the computer wait of 1 or 2 minutes then start your computer hoping this time your computer will be normal.
Restart your computer and check for updates if any then plug in your Microscope, Some of the time simple computer restart solve most of the problems. If persists then uninstall the driver and restart your computer after restart check for updates and wait till windows itself install the required...
Above answer gives you the understanding regarding TPM. Just follow one of the installation guides available on youtube. Its simple and easy and nothing to worry about supported and unsupported computer because Microsoft gives you all the updates whether your computer in supported or not... Go...
Simply Reset your Network Settings, Computer restarts automatically. As computer starts connect to Network and then Check, Hopefully your problem will be solved...
Reset your Network Settings and your system automatically restarts. After restart I hope your problem will be solved. If no then download Network Driver from manufacturer website and install. Hoping your problem will be solved...
This is Graphic Driver issue. Download driver from manufacturer website and install after restarting your problem hopefully your problem will be solved.
First check that your Mail App is updated. If its already updated then try in resetting this app and restart your computer. After restart check Mail App and Sign in. Hopefully your problem will be solved...