The best anti-malware prevention is the finger you use to left-click your mouse. The safest key on your keybpard is ESC and is much more powerful than hoping for an Undo feature.
QuickBooks
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We have provided sales, installation, support, and training for QuickBooks products since 1995. As the QuickBooks Pro product line has matured, it has become a mainstream accounting product for small to medium sized businesses in industries across the spectrum. We maintain a QuickBooks ProAdvisor status and teach publicly available seminars for QuickBooks users seeking to improve their knowledge skills.