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Lansweeper
Lansweeper Tech Support
Lansweeper Tech Support

If you've downloaded the latest Lansweeper installer and the installer isn't launching when executed, the file may be blocked or incomplete. This article explains how to resolve this issue.

As of version 10.4 the options /classic needs to be used to install Lansweeper Classic. Running the LansweeperSetup.exe without that option, will attempt to link immediately to Lansweeper Cloud during the install steps.

Try the following solutions one by one and verify whether the Lansweeper installer still isn't launching afterward:

  • Re-download LansweeperSetup.exe from our download page and make sure the file size listed in the installer properties matches the one listed on our download page.
  • Right-click LansweeperSetup.exe, select Properties, then the General tab and choose Unblock, if available. Windows itself sometimes blocks files originating from the internet, requiring you to unblock them.
    menu-lansweepersetup-properties.jpg
    lansweeper-installer-not-launching-1.jpg
  • Temporarily disable anti-virus software installed on your machine or whitelist LansweeperSetup.exe within the anti-virus software. Anti-virus software sometimes incorrectly identifies executables as threats and blocks them.
    If it turns out your anti-virus software was blocking the Lansweeper installer, please let the Lansweeper support team know at support@lansweeper.com so we can report the false positive to the vendor.
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Version history
Last update:
‎08-04-2023 08:33 PM
Updated by: