Add spaces: InthecasethatyourM2Vfiledoesn'topen,itishighlylikelythatyoudonothavethecorrectsoftwareapplicationinstalledonyourPCtovieworeditM2Vfileextensions.

Answer: In the case that your M2V file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit M2V file extensions.

Add spaces: andtheopportunitytoexperienceyourownpersonal,anonymouslydonated,experiencesonmistakesstagedbyfivesympatheticandsomewhatrefractorydancers

Answer: and the opportunity to experience your own personal, anonymously donated, experiences on mistakes staged by five sympathetic and somewhat refractory dancers

Add spaces: Onceyourdoghaslearnednottodestroythings,youmaybeabletostopthemedication.

Answer:
Once your dog has learned not to destroy things, you may be able to stop the medication.