If you have multiple installations of Cadence Allegro on your machine, it may be necessary to use the Cadence SPB Switch Release utility to ensure environment variables are properly set.

  1. From the Start menu, choose Programs, then choose Cadence SPB Switch Release

  2. From the list in the Select Release frame, select the release version you want to switch to. Any changes to environment variables will appear in the Env Changes list.

  3. Click OK to make the switch

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