You need to stop messing around and take care of things. Failure to get before the court to explain the situation potentially makes things worse.
If it were me I would get before the judge, explain that I misunderstood the deadline for completion of community service due to my communications with "Chris M." and that the deadline described by "Chris M." was the same as the 90-day period of probation such that it made sense, apologize for not paying better attention to the written paperwork, and hope that my completion of all terms of probation by April 5 would satisfy the court not to deem the late completion a probation violation. Consider consulting a local criminal defense lawyer to try to get a sense of what the judge has done in similar cases.

