Sometimes, virus tries to disable the BITS and unable to start the service again. Here is a simple code that might help on enabling your BITS.
Just simply copy paste it into notepad and save as yourfile.cmd
@echo off
Echo This batch file ...
It is just a simple command line. All you have to do is open your command prompt. Go to your desired drive or folder you like to show. Then follow this command line
attrib -h /S /D
where
- means to clear an attribute
h means ...
Sometimes viruses affects windows update of our operating system. Here is a simple batch file that enables windows update.
Just simple copy paste it into notepad and save as repair.bat
@echo off
sc config wuauserv start= auto
sc config ...