Unable to install ExpressVPN due to incomplete uninstall

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If you see the following error message in your installer log:

Error 1721. There is a problem with this Window Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor. Action: Uninstall3x, location: C:\Program Files (x86)\ExpressVPN\Uninstall.exe, command: /S"_?=C:\Program Files (x86)\ExpressVPN\""

Click Start (or hit the Windows key) to open the Start Menu.

  • Type “run
  • Select Run under “Programs” to open the Run dialog box

click-run

In the Run dialog box, type “regedit” and click OK.

type-regedit

You will now see the User Account Control dialog box. Click Yes to proceed.

click-software

In the Registry Editor, under Computer, double-click on HKEY_LOCAL_MACHINE.

click-software

Under HKEY_LOCAL_MACHINE, double-click on SOFTWARE.

click-software

Under SOFTWARE, look for Wow6432Node and select ExpressVPN.

select-expressvpn

Right-click on ExpressVPN and then click Delete.

click-delete

After deletion, you should no longer see ExpressVPN under Wow6432Node.

after-deletion

You can now proceed to installing the latest version of ExpressVPN. Instructions to do this can be found here.

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