Error 997. Overlapped I/O Operation is in Progress (Installing AutoCAD or F/X CAD)
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Error 997. Overlapped I/O Operation is in Progress (Installing AutoCAD or F/X CAD)

Issue

When trying to install AutoCAD or F/X CAD, you saw the following error message:

Error 997. Overlapped I/O operation is in progress.

Error 997. Overlapped I/O operation is in progress message

 

Cause

A Windows security setting is likely preventing your AutoCAD product from installing.

 

 

Solution

Step 1: 

Follow the appropriate steps for the version of CAD you're attempting to install:

 

F/X CAD users

Trying to install F/X CAD? Download, unzip and run our Installer Registry file.

 

AutoCAD users

Trying to install AutoCAD (not F/X CAD)? See the official Autodesk solution to this issue.

 

Step 2: 

1. Run an elevated command prompt

 

2. Run an SFC scan by typing sfc/scannow and pressing Enter.

Last modified on May 05, 2022

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