Resolve unexpected errors when opening Point of Sale
When processing a transaction or opening POS you receive one of the following errors: An unexpected error happened. Please restart Point of Sale. The error is: An unexpected error happened, please restart Point of Sale. Exception from HRESULT: 0x88980406 Unexpected error happened. The error is: Value cannot be null. Parameter: s Unable to open the program through the Point of Sale icon Error: Exception has been thrown by the target of an invocation Configuration system failed to initialize Error 100 database server not found "08w01" Error: 176120 invalid license key status, key denied Error: QBPOSShell has stopped working Why this is happening The following errors may be caused by: System does not meet minimum system requirements Point of Sale Database Manager may not be running The computer may be low on system resources Microsoft.NET framework is damaged or might not be properly installed How to fix it Intuit recommends ...