Well, the QuickBooks Banking Error code 108 can be easily scanned and resolved if you run the System File Checker tool. Below are the steps to do so with much more ease:
The first step is to tap on the Windows Start menu and then type cmd in the search bar.
Now, hold Ctrl + Shift keys together on your keyboard, and then hit the Enter tab.
Once done, you will get a dialog box on which you have to click Yes.
Thereafter, a black window starts appearing with a blinking cursor where you need to enter SFC/scannow and then press the Enter key.
It will prompt the System File Checker to begin the scanning process.
In the end, follow the instructions outlined on the screen to proceed further.