QUESTION: Fix punctuation: From time to time a Maniac is like everyone else going to have a good hand and you dont want to be running into when youve got a very weak one
ANS: From time to time a Maniac is, like everyone else, going to have a good hand and you don't want to be running into when you've got a very weak one.

QUESTION: Fix punctuation: How to disable members signatures when reading topics
ANS: How to disable members signatures when reading topics?

QUESTION: Fix punctuation: If your PC opens the BAG file but its the wrong application youll need to change your Windows registry file association settings In other words Windows is associating BAG file extensions with the wrong software program
ANS: If your PC opens the BAG file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating BAG file extensions with the wrong software program.

QUESTION: Fix punctuation: 9704 Postage or revenue stamps stamppostmarks firstday covers postal stationery stamped paper and the like used or unused other than those of heading 4907 9704 00 00
ANS:
97.04 Postage or revenue stamps, stamp-postmarks, first-day covers, postal stationery (stamped paper), and the like, used or unused, other than those of heading 4907 9704 00 00