In your Windows 10 operating system, you will get many error issues time to time. Though the operating system is capable to fix the general error issues but some errors are very much critical and require some extra approach to get fixed. You may get Windows 10 application error 1000 in your computer while you try to open an application. Actually the occurring of the error issue may happen due to corruption in the application or due to misconfigured system files. You should go through manual or automatic fixing method to fix application error 1000 in Windows. Advanced System Repair tool is the best tool to fix the issue automatically.