Enlighten Software Solutions Inc, San Mateo, California-based provider of systems management software, has reported a fourth- quarter net loss of $352,000 on revenue of $1.1m, compared to net income of $423,000, or $0.13 per share, on revenue of $238,000 in the year-ago quarter. For the full year, net loss was $786,000 on revenue down 11.2% at $3.8m, against a loss of $2.0m last year. Full-year results include a one-time gain of $515,000 from the sale of the company’s Tandem product line. Year-ago results for both periods include a similar gain of $2.2m.