Originally Posted by CBRich

Unless you can offer the man some help with his issue, such as tips to stop it from happening, then I'm sure you're just wasting his time and he would appreciate if you left his thread.

On topic: I would start by sanding it all down again. Any decently adhered paint will stay and the bad stuff should sand right off. Then after ensuring you have a good surface wipe it down with some mineral spirits to make sure the surface is clean and try again.