surfactant surÂ·facÂ·tant (sÉr-fÄk'tÉnt, sÃ»r'fÄk'-) n. A surface-active substance. A substance composed of lipoprotein that is secreted by the alveolar cells of the lung and serves to maintain the stability of pulmonary tissue by reducing the surface tension of fluids that coat the lung.
The Microsoft Exchange Information Store service uses a database engine called Extensible Storage Engine (ESE), which is a transaction-based database technology. In some troubleshooting instances or when moving from mixed to native mode, you may need to restart the Microsoft Exchange Information Store service. Procedure. To restart the Microsoft Exchange Information Store service. On the Start menu, click Run, type services.msc, and then click OK. In the Results pane, find the Microsoft Exchange Information Store service. Right-click the service, and then click Restart.
(https://support.microsoft.com/kb/129972/). 1  Restart your computer in Safe mode. 2  Click Start, and then click Run. 3  In the Open box, type msconfig, and then click OK. 4  Click Selective startup. 5  On the Static VxD tab, click to clear the NAVAP.VxD check box,and then click OK. Click Start, and then click Run. 2  In the Open box, type msconfig, and then click OK. 3  Click Selective startup. 4  On the Static VxD tab, click to clear the NAVAP.VxD check box,and then click OK. 5  On the Startup tab, click to clear the Norton Auto Protect check box, and then click OK. 6  Restart your computer in Normal mode.