Only 64-bit version of Internet Explorer 10 is executable in Windows 8, and can't install ActiveX for 32-bit version [Step by Step]

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Issues

Only 64-bit version of Internet Explorer 10 is executable in Windows 8, and can't install ActiveX for 32-bit version.

Cause

The problem occurs due to the automatically created registry value by third-party ActiveX or process blockes the 32-bit execution on Internet Explorer 10.

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Solution

To solve the problem, please remove TabProcGrowth registry value, following the method below.

This method describes how to edit the registry. If the registry is edited unproperly, it can cause a severe problem. So please be careful when you follow these steps. For additional protection, it is recommended to back up your registry before editing it. If you do so, you can recover your registry when a problem occurs. Click this document to refer Microsoft Knowledge Base Document for details about registry backup.

In the Start or Desktop screen, press Windows + R.
In the Run screen, type regedit and click OK.

When the User Account Control message appears, enter the administrator password or click Yes.
In the Registry Editor screen, navigate to the path HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main , and right click TabProcGrowth in the right screen.

If the Confirm Value Delete message appears, click Yes.
Restart your computer and check whether the problem solved or not.