You can create a customized scan that you run manually.
To create a custom scan:
From the system tray, double-click the Webroot icon.
The main interface displays.
Click the PC Security gear icon.
The Scan & Shields panel displays.
Click the Custom Scan button. The Customized Scan window displays.
Select any of the following options:
To perform a surface scan of files in active memory, select the Quick radio button.
To perform a scan of local hard drives, select the Full radio button.
To perform a scan for rootkits, trojans, and other threats, select the Deep radio button.
To limit the scan to certain folders and files, click the Custom radio button, click the Add File/Folder button, and click the Add button to select the folders and files you want to scan.
To delete a file or folder, highlight it and click the Remove button.