Wrong CD size in Nero

CD info gives only 140Mb for a Datatrack CD-R99 so I can’t overburn

Welcome to the forum ramzeven,

Have you installed any software that uses virtual drives like CloneCD or Alcohol. Especially Alcohol is known to cause problems with detecting disc sizes because it has an option that hides cd-r media running in the background that users are often unaware of.

neen geen alcohol of iets dergelijks alles werkt prima maar denk dat het een bug is in de datatrack cd’s zelf

You need to do this in English my friend