Issues with the update program might cause a few errors to pop up and one such error is QuickBooks Error Code 15106. However, if you are getting this issue there is nothing to worry about as it is one of the most common issues that users face.
Some of the possible reasons behind the occurrence of this error are-
Installation of QuickBooks software is improper
The presence of virus or malware can cause this error
Presence of spy sweeper in the antivirus software
Not logged in as an administrator.
Reach out to the QB experts immediately and get the error fixed.