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This article will show you how to solve a particular technical issue resulting in the service “G DATA Security Client” not being able to start on a Business client computer with the following error message: "Error 1: Invalid function".
This is a rare issue which could happen after a software update to 188.8.131.52, resulting in the G DATA Driver Framework not being correctly installed.
As a result, the G DATA Security Client service can’t be started.
To solve the issue proceed as follows:
Step 1. Start a Command Prompt as Administrator.
Step 2. Use the command “cd” to navigate to the installation folder of the Security Client, which is by default:
"C:\Program Files\G DATA\AVKClient" on a 32 bit OS.
"C:\Program Files (x86)\G DATA\AVKClient" on a 64 bit OS.
Step 3. Enter one of the following commands:
“ avkwctl.exe /OnUpdate” on a 32 bit OS.
“ avkwctlx64.exe /OnUpdate” on a 64 bit OS.
If everything worked you get no further notification, if there was an issue you will see an error message.
Step 4. Reboot the computer.
Step 5. The issue should now be solved.