Stereo CD Malfunction

[mark4man]

Not sure if this is an appropriate forum for this device, but here goes anyway:

For my bookshelf stereo system (an AIWA), I purchased a Maxell CD Lens Cleaner (w/ brush.)

I ran it in the machine for the appropriate period of time.

Now, some of my CD's don't work, in that the display never shows the total track length...hence they won’t play.

What happened?

Thanks in advance,

mark4man