Error 1704 - An installation for is currently suspended

  • Article ID: 48302
  • Updated: 24 Jan 2014

Issue:
Error 1704. An installation for <Sophos Product> is currently suspended. You must undo the changes made by that installation to continue. Do you want to undo those changes?

First seen in

Sophos Anti-Virus for Windows 2000+

Cause
The Windows installer service has not properly terminated the install process resulting in a suspended installation for the specified package.

What to do

Clear any in-progress installations as described below:

NOTE: The following requires editing of the registry. Before continuing follow our article on how to back up the registry here.

  1. Launch Windows Registry Editor
    Start | Run | Regedit
  2. Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Inprogress.
  3. If the Inprogres exists, then delete it. 
  4. Retry installation 

If the same problem occurs delete the key above again, then reboot the machine before attempting the install.

 

Unregister and then re-register the Windows Installer Service.

On Windows XP, 2003,
Choose Start > Run.
Type msiexec /unreg and click OK.
Type msiexec /regserver and click OK.
Retry installation.

On Windows Vista and above
Choose Start, type msiexec /unreg in the Search field and press Enter.
Type msiexec /regserver in the Search field and press Enter.
Retry installation. 

 
If you need more information or guidance, then please contact technical support.

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