PreRun.exe The exception unknown software exception - Microsoft Community


hi,

for last couple of days pc taking age load - perhaps 10-15 minutes - used no more minute (has ssd drive c:)

i think recall windows update perhaps day or before that?     no other new software has been installed several months.

today saw above message in window after declining option end explorer, pc appears running ok.

only other thing noticed - no idea if new or relevant - norton advises system reserved area 27% fragmented.

how can diagnose / fix ?

thanks

hi barry,

the issue you're having might possibly caused third-party application. determine what's causing this, provide following information:

  • what trying before error message appeared?
  • are pertaining windows 10 file explorer? if not, provide specific application you're using before error message appeared.

your reply important ensure assist accordingly



Windows / Windows 10 / Performance & system failures / PC



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