Please Help Me To Fix The 0xc0000409 Adobe Reader Error In Windows 10

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I use the Adobe Reader to open PDF. Recently, I am facing the 0xc0000409 Adobe Reader error. When I open the application, it works alright. But when I open a PDF, it crashes with the error. I use a Windows 10 PC. Help me!

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Answered By 10 points N/A #344080

Please Help Me To Fix The 0xc0000409 Adobe Reader Error In Windows 10

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Generally, the 0xc0000409 Adobe Reader gets fixed with an update.

Method 1

a. Open the application.
b. Go to Help.
c. Check for updates.
d. Download the update, if any.
e. Restart Adobe.

Method 2

a. Open the Edit menu.
b. Go to Preferences.
c. Open Security (enhanced).
d. Under Sandbox protections, untick the option – “Enable Protected Mode at startup.”
e. Restart the application.

Method 3

a. Go to the help menu.
b. Click on Repair installation.
c. Restart your device after the process completes.
d. Launch the app.

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