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Level 1
March 13, 2025
Question

I have a Microsoft installer error 1603 when installation of update

  • March 13, 2025
  • 3 replies
  • 38 views
No text available

3 replies

Level 10
March 13, 2025

See the link below for instructions on how to fix this error

 

Error 1603: "A fatal error occurred during installation or updating"


 

Level 2
March 17, 2025

Tried downloading the manual file as instructed but download failed.  What next?  Thanks.

 

RM

Level 2
March 17, 2025

Disregard.  An adblocker (?!) was the culprit.  All good now.