Well you can password protect your files and folders. This will keep your files protected. Depending on your password your information will be protected. Use a password with letters, numbers and symbols that don't spell a word in the English language.
No, you do not have to type the file extension if you want to include the file name. You only use file extension to make the specific file be able to be run by the program. Example: I want to make my file into a java program so i can use with a specific type of program which only runs java file i put .jav at the end of the title to make it from a text file to a java file.
This particular file is a file specific to the PHP program or script you are using. It is not a "php system file".
An Editor or a Wordprocessor Which specific program depends on how complex the tasks are that you want to perform and what type of computer you are using.
In order to convert a JPG file to a PDF file you must purchase or download a program. Once you have a program you will be given instructions specific to the program. Just follow the instructions and save your work.
There is no any single program available that can repair all type of damaged files. You will have to use a specific program for specific file. Like for Word, Excel, PowerPoint, Access, SQL, Video, Photo, Movie, and many more. You have not mentioned any specific file type so it is difficult for us to answer your question.
A DLL (dynamic link library) file is a file used by a specific application to communicate with devices inside or attached to the computer. DLL files aren't meant to be opened separately from the program they belong to. When you load the program the DLL file belongs to, that program will automatically load the DLL file if it needs it.
This would be true. A data file is a file that contains the data which controls the operations of a program or task, which is the instructions for how to perform the task or run the program.
You may be referring to a path or shortcut icon on the desktop that points to a specific file or program.
This could be an issue with the Microsoft Firewall that is present. You may have this program on and not need it, causing issues in the connection.
The message is generally that your computer does not know what program created a specific type of file. Use Google to search the file type, for example *.jpg or *.doc That will tell you the type of program that made the file. If it is a video file or image file, you can find free programs which will open most of these. Once you know the program, right-click the file and see if you have that program loaded on your PC. If you do, highlight the program name and choose "Always use this program to open similar type files". Click OK.
A file you are currently working on is BASICALLY stored in RAM. Parts of the file may also be swapped to hard disk, depending on the specific program you are using, the size of the file, and the available memory.
The test that can prove which computer's firewall is blocking a program from running is to turn off the firewall on the computer being used, then try to run the program in question. If the program still doesn't work, then the main computer is blocking the program.