OS - Win_98
Steps to produce problem:-

1.Install j2sdk1.4.0-beta3-b82
2.Install j2re1.4.0-beta3-i (Internationalized version of JRE )
3. See Control Panel-> Add/Remove Program
there will be two entries corresponding to Java Run Time Environment
(see attached snapshot for reference)

How to know which is internationalized version of JRE and which is US,
If somebody wants to keeps US or Internationalized version it will be too confusin which one to uninstall .

For Internationalized JRE , entry should point to Java Runtime Environment - Internationalized version or something to differentiate between two JREs