So, if you are also getting the error message while starting any software, then here we have decided to discuss everything about Windows 10 ‘Another instance is running’ error message. There are errors which prevent users from starting any application like the ‘Another instance is running’. Windows errors are of two types, the ones that don’t do much harm, and the other which doesn’t allows users to login. However, Microsoft is swift to release updates in which it fixes previous bugs. We are pretty sure that once in your lifetime, you have dealt with Windows BSOD errors. Well, if you are using a Windows operating system for a while, then you might know that the operating system is full of bugs. So, what is ‘Another instance is running’ error and why it occurs? Here we have discussed few best methods to fix ‘Another instance is running’ error message.