QUESTION: Fix punctuation: Civil war against the bourgeoisie is also a form of class struggle and only this form of class struggle would have saved Europe the whole of Europe not only one country from the peril of invasion
ANS: Civil war against the bourgeoisie is also a form of class struggle, and only this form of class struggle would have saved Europe (the whole of Europe, not only one country) from the peril of invasion.

QUESTION: Fix punctuation: It is quiet common to have trouble during a stay
ANS: It is quiet common to have trouble during a stay.

QUESTION: Fix punctuation: However there is no great difference between the first five
ANS: However, there is no great difference between the first five.

QUESTION: Fix punctuation: CNB_0316DLL device cant workNo sound Actually in most cases device problem is because of sys files
ANS:
CNB_0316.DLL device can't work/No sound: Actually, in most cases device problem is because of .sys files.