System Crashes

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ChemDraw should never crash, but below are the steps you should go through to try to resolve issues that cause computer crashes while using a CS software product.

1. Restart your computer and try to reproduce the problem. If the problem recurs, continue with the following steps.

2. Take the steps appropriate for your system:

• Macintosh OS 8/ 9: Use your Extensions Manager control panel to restart your computer with MacOS base extensions on.

If the problem no longer occurs, then you likely have an extension conflict. You should determine which extension is causing the conflict, and then not have it load when using ChemDraw. To isolate an extension, disable half of your extensions using the Extensions Manager and test the problem again. Keep disabling half of your extensions until you find which extensions are causing the problem. Please inform Technical support which extensions are causing the problem.

3. Try reinstalling the software. Before you reinstall, uninstall the software and disable all background applications, including screen savers and virus protection. See the complete uninstall instructions on the Technical Support page on the WWW.

4. If the problem still occurs, use our contact form at: http://www.cambridgesoft.com/support/mail and provide the details of the problem to Technical Support.