Intuit created the robust QuickBooks File Doctor tool to fix network and company file problems. However, customers occasionally experience an irritating scenario when the program fails to launch properly or keeps crashing during startup. This typically occurs as a result of damaged.NET Framework, out-of-date QuickBooks versions, botched installation files, or clashes with other background programs. The first step in fixing this is to make sure that the most recent versions of QuickBooks Desktop and the QuickBooks Tool Hub are installed. Reinstalling File Doctor frequently restores corrupted or missing components because it is integrated with Tool Hub. Conflicts can also be avoided by running the program as administrator and momentarily turning off firewall or antivirus software. Repair the Microsoft.NET Framework or reinstall QuickBooks Desktop to replace any damaged system requirements if the issue continues.