Please don't panic now because most files with these extensions do not contain viruses. But be careful, if files of this type are downloaded from the Internet or are in an email, then only open them if you trust the source/sender or have been waiting for the file!
Fast boot from PC is a function that allows the computer to start or start up faster, both Windows 11 and Windows 10 have this function Quick start function
A firewall is a software solution formerly hardware that is responsible for filtering the data All data and communications entering or leaving a network
The often used idiom "Thats the be-all and end-all of the story", solution, problems, etc. stands for beginning and end Word literally stands for "beginning