Snagit (Windows): Bad Image - opencv_imgproc310.dll is either not designed to run on Windows or it contains an error....

Problem

After installing Snagit 2018, it works right after installing. However after rebooting the machine, Snagit fails with the following error.

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Solution

This appears to be a false positive with McAfee security solutions. Please follow these steps to resolve the problem.

  1. Make sure you have a copy of your Snagit 2018 license key. Then uninstall Snagit through your control panel.
  2. Open McAfee.
  3. Select the PC Security tab at the top, and then choose Real-Time Scanning on the left.

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  4. Select Turn Off.

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  5. In the drop down menu, choose "When I restart my PC" and click Turn Off.

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  6. Reinstall Snagit 2018 (if you need to re-download, click here).
  7. Once reinstalled, open McAfee and select the PC Security tab.
  8. Select Real-Time Scanning on the left.
  9. Click Excluded Files
  10. Click Add File. Add the following files:
    • C:\Program Files\TechSmith\Snagit 2018\opencv_core300.dll
    • C:\Program Files\TechSmith\Snagit 2018\opencv_core310.dll
    • C:\Program Files\TechSmith\Snagit 2018\opencv_imgproc300.dll
    • C:\Program Files\TechSmith\Snagit 2018\opencv_imgproc310.dll
    • C:\Program Files\TechSmith\Snagit 2018\opencv_photo310.dll
  11. Reboot your computer and verify that Snagit continues to work. Once the machine has rebooted, the McAfee Real-Time Scanning will be re-enabled.
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