On 18/07/2026 15:49, Richard Kettlewell wrote:  
  > bp@www.zefox.net writes:  
  >> For the very first time an error dialog box appeared yesterday. The  
  >> formatting looked more like a  Windows widget, so I think it  
  >> probably came from the application, not the system. It reported an  
  >> "incompatible magic  value nnn...nnn in class file java/util/....".  
  >  
  > Part of a Java library or application is corrupted.  
  >  
  > On a Pi, the first guess would be that the SD card is on the way out.  
  >  
  Assuming one is actually in use...  
    
  --  
  "It is an established fact to 97% confidence limits that left wing  
  conspirators see right wing conspiracies everywhere"  
    
    
  --- PyGate Linux v1.5.18  
   * Origin: Dragon's Lair, PyGate NNTP<>Fido Gate (3:633/10)