QUES: cngproviderdll device cant workNo sound Actually in most cases device problem is because of sys files

correct the punctuation.

CORRECTED: cngprovider.dll device can't work/No sound: Actually, in most cases device problem is because of .sys files.

QUES: The popularity of the Four Jacks theatre concerts seemed endless so another round of concerts took place in Tivoli Copenhagen 1st 13th September

correct the punctuation.

CORRECTED: The popularity of the "Four Jacks" theatre concerts seemed endless so another round of concerts took place in Tivoli, Copenhagen 1st 13th September.

QUES: That is why we take part in events such as trade fairs conferences and other branch meetings

correct the punctuation.

CORRECTED:
That is why we take part in events such as trade fairs, conferences and other branch meetings.