If you're trying to process payroll, send invoices, or finish month-end reconciliation and QuickBooks suddenly starts crawling, you're not alone. A slow QuickBooks session can turn a 15-minute task into an hour-long frustration, especially when deadlines are approaching. I've worked with many small business owners, accountants, and bookkeepers who experienced this issue during tax filing periods, payroll runs, or while preparing reports for clien...