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Support Article

5.4 SP2 Developer portal does not work with Firefox



When you attempt to run PRPC 5.4 SP2 (or PRPC 6.2 SP2) with Firefox browser you receive a Dynamic menus Control Load Failure and cannot access the application.

Error Messages

Process Commander Open Authoring Control Load Failure!

Steps to Reproduce

Use PRPC 5.4 SP2 with Firefox browser.

Root Cause

PRPC 5.4 SP2 developer portals are not supported with Firefox.


Refer Pegasystems' statement of browser support in the Platform Support Guide available on the PDN:

Published June 24, 2015 - Updated October 8, 2020

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