Error message - Webroot Spy Sweeper (spysweeper) for PC

What type? Please describe. However is the error is upon installation here are some tips:

The Windows Installer Service is required to install Spy Sweeper/Webroot AntiVirus 5.8 or Spy Sweeper/Webroot AntiVirus/Webroot Internet Security Essential 6.1. However, by Microsoft's design, the Windows Installer in not available in Safe Mode. On rare occasions Safe Mode installation is still desirable, so Webroot has engineered a method to make this possible. This method uses a file called "SafeCore.exe".

If the installation is performed using "Safe Mode with Networking" and an active internet connection is available, the Version Guard feature of our installer will automatically download and run SafeCore.exe. No action on the part of the user is required. Otherwise SafeCore.exe will need to manually be placed in the same folder as the standard Webroot software installer.

(Example: if the installer file is already on the Windows desktop, copy SafeCore.exe to the desktop as well, and then run the Webroot AntiVirus/Spy Sweeper/Webroot Internet Security Essentials 5.8/6.0 installer to begin the installation process).

To obtain a copy of SafeCore.exe, please first check what version of the Webroot software you are trying to install. Right click on the installer and choose Properties, and then click on the Version tab. A File version will be listed.

• If the file version is 5.8.1.55, please click SafeCore.exe to download the SafeCore files specifically designed for 5.8.1.55 and place it in the same folder that the installer is located in.
  
• If the file version is 6.1.0.128, please click SafeCore.exe to download the SafeCore files specifically designed for 6.0.2.22 and place it in the same folder that the installer is located in.
  

• If the file version is different than the two listed above, please contact Webroot Technical Support for an alternative option.
  

If the computer you are trying to install on does not have a network connection, it may be required to transfer this file from one machine to another using removable media such as a USB drive or CD-ROM.

If installing Spy Sweeper/Webroot AntiVirus/Webroot Internet Security Essentials 6.0, the Backup Component may not install completely in Safe Mode since it contains components that require the Windows Installer Service to install completely. You will need to re-run the installation in normal mode to activate the Backup component.