QB Issue Resolution:

Script errors are in fact errors in Internet Explorer. Even in Windows 10, IE is still present.

And Intuit programs use IE to display many of the screens in QuickBooks.

 

What it is indicating is an error in Internet Explorer is occurring when it is trying to display portions of the program.

 

In some cases they are harmless and the script error reporting can be turned off. In other cases there is a problem with IE and there are steps to take:

 

https://answers.microsoft.com/en-us/ie/forum/all/script-errors/ee9ed848-b73d-49cc-8f92-e25da50c938f

Resolution for Issue 'Script Error when opening 2018 Premier' available: Yes (Solved).
Source: Intuit Community forum.

Script Error when opening 2018 Premier: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Internet Explorer
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