Reacts Installation and basic troubleshooting guide


Note: Prior to following this instruction please make sure you don't have any Windows updates pending. If you do, install the updates first, restart your device and try again. 


System Requirements

  • Windows 7 or higher
  • Processor Base Frequency of 1.8 GHz or higher
  • 4 GB RAM or more
  • 75 MB of available disk space or more
  • Minimal screen resolution: 1366x768 pixels
  • Camera and Mic (USB or Built in)
  • Minimal Bandwidth of 0.5 Mbit/s upload and 0.5 Mbit/s download


For optimal performance with touch devices:

  • Graphics processing 20 EU’s / 400 GFLOPS or higher
  • Intel HD Graphics GT2 (4200, 4400, 4600, P4600, P4700, 5000 … ) or higher
  • NVidia GeForce 8800, 9800, 430, GTS or higher

Installation instructions

Step 1: Download the .exe from our website.

Step 2: White list the * domain on your firewall and web filtering applications.

Reacts must be able to connect to the addresses below.

 Backup addresses:


To verify that your firewall and/or web filtering application settings allow Reacts to connect, from your web browser window try to access

You should see the message: «{"Version":"","Body":"Echo OK!","Type":"System.String","Time":"2016-07-27T15:04:59.6325394Z","Id":"676b0cf1-e3ad-4cb7-bb9d-6076e2913efc"}».

Troubleshooting connectivity issues

Here are basic trouble shooting steps to help you to fix some standard connectivity issues. Most connectivity issues can be fixed by following the steps below.

Step 1: Verify that your firewall and/or web filtering application allow Reacts to connect by accessing this URL:

If you do not see the message: «{"Version":"","Body":"Echo OK!","Type":"System.String","Time":"2016-07-27T15:04:59.6325394Z","Id":"676b0cf1-e3ad- 4cb7-bb9d- 6076e2913efc"}».

You must whitelist the * domain on your firewall and web filtering applications. If you cannot whitelist the domain see the “Reacts Installation” above for the complete list if IP addresses.

Step 2: Ensure that there is no interference between your antivirus software and Reacts that could prevent the software from being launched.

Step 3: Enter your proxy information. If you connect though a proxy, you may need to manually enter the proxy information into the Reacts settings panel.

1. Launch Reacts and click on “Network settings” on the login screen.


Step 4: Verify that your system recognizes “Symantec/VeriSign” as a trusted certificate provider.

Visit and follow the 4 steps shown below

 If your system DOES NOT recognizes Symantec/VeriSign as a trusted certificate provider you should perform a Windows update

If it is not possible to perform a Windows update or if the problem persist after performing a complete Windows update you will need to import the VeriSign Universal Root CA in the Trusted Root Certification Authority directory of your Internet Explorer web browser found under Internet Options / Content/ Certificates.

The  VeriSign Universal Root CA can be found on the Symantec web site at:

You will need to copy the information on that page and paste it in Windows Note Pad and save it as “VeriSign Universal Root Certification Authority.cer”


The majority of installation failures occur when Windows updates are pending or when Microsoft libraries are out of date therefore please make sure you don't have any Windows updates pending. If you do, install the updates first, restart your device and try again. 

To ensure that your Microsoft libraries are up-to- date please follow the steps detailed in our online support documentation found under: 

Microsoft .NET Framework error message when trying to install Reacts 

I receive "Can not connect to servers" or "Could not load file assembly "Name".dll" or one of its dependencies" error messages when trying to log in to Reacts for the first time after installation


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