Can't open CMD , appear and disappear immediatly (flashing)

[hiphopmod]

everthing was runing smoothly , since i download a game that detected as a virus , the game was deleted automaticly by the anti virus, after that the CMD won't open and appear and disappear immediatly ( and other programs ) i'm searching for a solution a week ago ..... ! Help please

 

[rgd1101]

https/support.microsoft.com/en-us/help/929833/use-the-system-file-checker-tool-to-repair-missing-or-corrupted-system
restore point?
reinstall the os?

 

[hiphopmod]

i already tried it

 

[rgd1101]

i already tried it

try reinstall the os?

 

[hiphopmod]

i will lose all my files ?

 

[rgd1101]

i will lose all my files ?

for someone who like to download "game", you should be regularly backup your files

 

[Kaladan]

i will lose all my files ?

for someone who like to download "game", you should be regularly backup your files

Tried 'safe mode'?