7.x Documentation

features description for

WebP_017: No access to Add-In while processing Visio in background

When creating/updating a web publication, the following error appears:

Starting Visio worker process ...

Cannot access the in the Visio background process. Probably this is caused by some security or configuration settings which are preventing this access. Please contact or ask for support. Exception error occurred.

Possible causes

  • A new Visio version was installed 
  • The Add In was deactivated 


Uninstall and install it again so that all necessary registry entries are created correctly.

Also you can try to run p4b as a different user on the same computer to see if the problem is in some user settings.