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
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.