- Go to ‘Start’ > ‘Control Panel’ > ‘System’ > ‘Advanced’ > ‘Performance’ > ‘Data Execution Prevention’.
- Select ‘Turn on DEP for all programs and services except those I select’.
- Select ‘Add’, navigate to C:\Program Files\Steam (or your default Steam directory), and add Steam.exe to the exception list.
Additionally, you will need to add the FM.exe using the same process as above
The FM.exe file can be located here by default - C:\Program Files\Steam\steamapps\common\Football Manager 2018