I’m continuously ending up with QuickBooks Error 61686 while installing or upgrading the software. Is there any way to fix it?
Well, running the QuickBooks Install Diagnostic Tool rectifies various issues with Windows components like MSXML, C++, and Microsoft .NET Framework. This tool will not only mend QuickBooks EXEAdapter error from QuickBooks but also eliminate some other errors taking place during the installation.
Source - https://dataservicesolutions.com/blog/complete-solution-to-quickbooks-error-61686/
Initially, download the QuickBooks Install Diagnostic Tool to fix all the installation errors.
Now, save the downloaded file on your desktop.
You need to close all the applications running in the background on Windows.
After that, click twice on the QB Install Diagnostic file from the desktop and follow the on-screen instructions to start the repair process.
Once done, run the process and reinstall the application to check if the error has been resolved or not.