I had a similar experience. Tighe's Simpson pictures don't lie, it obviously worked well for him, but Acetone was useless for me. I recently peeled a punch of vinyl and was left with a layer of glue on the particle board. I tried acetone with a towel, lightly scrubing it around, pouring it on, letting it sit...everything I could think of...it didn nothing to the glue. I'm guessing different types of adhesive were used, and my cab had some kind that didn't react with Acetone.
I later found that my stupid mistake was using a heat gun that wasn't nearly hot enough. Once I got the right gun, I could heat the clue to a paste and easily scrap it away.
I later found that my stupid mistake was using a heat gun that wasn't nearly hot enough. Once I got the right gun, I could heat the clue to a paste and easily scrap it away.

