After installation of DLS8Setup.8.6.2.658.exe, you may want to disable the 'Check for Updates' or 'Registration Wizard' functions.
Label, mail, and file smarter with proprietary DYMO® Productivity Software, featuring the new DYMO Label version 8 and Address Fixer DYMO Label version 8 software enables you to create and print address, shipping, file, folder and barcode labels, plus name badges and more—all from your PC or Mac® Print up to 51 labels a minute.
Helpfully the good people at Dymo provided me with a config file that just needs to be dropped in 'C:Program Files (x86)DymoDYMO Label Software' after installation is complete.
Copy the below into a text file and rename to DLS.exe.config, amend as required and copy it into the above folder.
<?xml version='1.0' encoding='utf-8' ?>
<configuration>
<configSections>
<sectionGroup name='applicationSettings' type='System.Configuration.ApplicationSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' >
<section name='DYMO.DLS.Properties.Settings' type='System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' requirePermission='false' />
</sectionGroup>
</configSections>
<applicationSettings>
<DYMO.DLS.Properties.Settings>
<setting name='OnlineNewsAllowed' serializeAs='String'>
<value>false</value>
</setting>
<setting name='DymoStampsAllowed' serializeAs='String'>
<value>true</value>
</setting>
<setting name='BuyLabelsAllowed' serializeAs='String'>
<value>false</value>
</setting>
<setting name='RssNewsAllowed' serializeAs='String'>
<value>false</value>
</setting>
<setting name='FirstRunWizardAllowed' serializeAs='String'>
<value>false</value>
</setting>
<setting name='RegistrationAllowed' serializeAs='String'>
<value>false</value>
</setting>
<setting name='DataTrackingAllowed' serializeAs='String'>
<value>false</value>
</setting>
<setting name='OnlineUserGuideAllowed' serializeAs='String'>
<value>true</value>
</setting>
<setting name='OnlineHelpAllowed' serializeAs='String'>
<value>true</value>
</setting>
<setting name='OnlineTechSupportAllowed' serializeAs='String'>
<value>false</value>
</setting>
<setting name='DYMOOnlineRootUrl' serializeAs='String'>
<value />
</setting>
<setting name='EnableAnimation' serializeAs='String'>
<value>false</value>
</setting>
<setting name='EnableSoftwareUpdate' serializeAs='String'>
<value>false</value>
</setting>
<setting name='SoftwareUpdateFolderUrl' serializeAs='String'>
<value />
</setting>
<setting name='ManualsFolderUrl' serializeAs='String'>
<value />
</setting>
<setting name='DisableAutomaticWebConnections' serializeAs='String'>
<value>False</value>
</setting>
</DYMO.DLS.Properties.Settings>
</applicationSettings>
</configuration>