In Windows 10, it may happen at some point, that you can’t set the default browser correctly (Chrome, Firefox, etc). Here is one possible solution to get your system to remember your default browser choice, if you are having this problem.
If you can’t start your Google Chrome browser, your browser user profile may be corrupted. The solution here can get Chrome working again, and protect your Chrome bookmarks in case this happens again.
If there is a Flash plug-in conflict in Google Chrome, users may see constant error messages about Flash crashing: “The following plug-in has crashed: Shockwave Flash”. A solution follows.