Skip to main content

This content has been archived and is no longer being updated. Links may not function; however, this content may be relevant to outdated versions of the product.

Support Article

The selected archive is invalid or of an unknown type



Installing a hotfix fails with the error message below.

Error Messages

•pyArchiveType:The selected archive is invalid or of an unknown type. Please validate archive type or select another file to import.

Steps to Reproduce

Attempt to install a hotfix via Designer Studio's Update Manager.

Root Cause

A defect or configuration issue in the operating environment. The latest CATALOG.ZIP file was not present on the user's system.


Perform the following steps:
  1. Click Designer Studio > System > Tools > Update Manager > System Scanner.
  2. Click the Refresh icon to automatically update to the latest CATALOG.ZIP file from Pega.
  3. If step 2 doesn't work, then download the latest CATALOG.ZIP file by following the instructions provided in and then upload CATALOG.ZIP file to the System Scanner.
Suggest Edit

Published July 28, 2017 - Updated October 8, 2020

Did you find this content helpful? Yes No

0% found this useful

Have a question? Get answers now.

Visit the Collaboration Center to ask questions, engage in discussions, share ideas, and help others.

We'd prefer it if you saw us at our best.

Pega Community has detected you are using a browser which may prevent you from experiencing the site as intended. To improve your experience, please update your browser.

Close Deprecation Notice
Contact us