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

QUESTION: Fix punctuation: Every year there are more and more such opportunities and entertainment are becoming brighter
ANS: Every year there are more and more such opportunities, and entertainment are becoming brighter.

QUESTION: Fix punctuation: After completing her tack Red had all the rights of rule 11 ie Red has the right to luff unless her luff is so hard that Blue is not able to keep clear rule 16
ANS: After completing her tack, Red had all the rights of rule 11, i.e. Red has the right to luff, unless her luff is so hard, that Blue is not able to keep clear (rule 16).

QUESTION: Fix punctuation: Measuring 5 mm or 25 mm this coverstitch has the precise width most often used in readytowear clothing so garments will look professional
ANS:
Measuring 5 mm or 2.5 mm, this coverstitch has the precise width most often used in ready-to-wear clothing, so garments will look professional.