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  1. Alfasoft Support & Knowledgebase
  2. Chemdraw
  3. FAQs

FAQs

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To access all ChemDraw support and FAQs please instead use the section "Link to producer's support". Below we have just added a few useful articles.

  • How do I login to the PerkinElmer Download Center and find my ChemDraw activation code?
  • Find the activation code for ChemDraw for version 17, 18, 19?
  • ChemDraw 19.0 gives " An unexpected error occurred (#-50)" message when opening files created with previous versions.
  • Mac - Installed ChemDraw 19.x or 18.x and it crashes with an "unexpected" error as soon as you start it.
  • While trying to edit the value in the Stoichiometry Grid, ChemDraw 19.0 crashes. How to fix this problem?
  • While running the ChemDraw/ChemOffice Installer I am getting 'Non-7z archive' error
  • How do I enable extended copy/paste functionality for ChemDraw Cloud?
  • When I activate ChemDraw I receive the ERROR: enabling clock windback detection
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