The problem could be from the protocol filtering feature. Kindly read and follow instructions carefully.
1. Open the main program window by double-clicking the ESET icon next to the system clock or by clicking Start
> All Programs
> ESET Smart Security or ESET NOD32 Antivirus
2. Press the F5 key on your keyboard to display the Advanced setup window.
3. In the Advanced Setup tree to the left, expand Web and email, click Protocol filtering and select Applications marked as web browsers and email clients.
4. In the Advanced Setup tree, click expand Protocol filtering > Web and email clients
and click Excluded applications
. Make sure that only the applications you want scanned are selected. Typically, only web browsers and email clients (iexplorer.exe, firefox.exe, outlook.exe, etc.) need to be selected. As to your case, select chrome.exe, Steam and Windows Live executables.
5. Click OK
to save your changes Source: ESET Knowledgebase