question: before you can open a xaf file, you'll need to figure out what kind of file the xaf file extension refers to.
Capitalize this past sentence correctly.
A: Before you can open a XAF file, you'll need to figure out what kind of file the XAF file extension refers to.

question: breakfast available(when chargeable, costs10.60)
Capitalize this past sentence correctly.
A: Breakfast available(when chargeable, costs10.60)

question: wimmount.sys blue screen, slow pc, program and system crashing fix
Capitalize this past sentence correctly.
A: wimmount.sys blue screen, slow PC, program and system crashing Fix