Nun ist es schwer zu beantworten, ob du vorher eine portable Installation gehabt hast oder eine Standard-Installation.
Und dann gibt es auch noch diese Hinweise:
I've released a 64-bit version of Mp3tag a few days ago and received a few questions about differences between the 32-bit version and the 64-bit version.
To make it short, there should not be any noticeable differences except for two things:
The 64-bit version uses 64-bits to address memory and is no longer limited to 2 GB per application. While the Library feature of Mp3tag is already a very viable solution for large libraries, loosening the memory restriction is one of the key benefits of …