Read this if you use any Microsoft Access database!

In the last days Microsoft released updates for Microsoft Access which will crash lots of Access applications.

On many PCs these updates will be automatically installed.

Microsoft will fix the problem - middle of December!

If you want to make sure you don't have that problem and know how to fix it have a look at this article:

https://www.devhut.net/2019/11/14/access-bug-error-3340-query-is-corrupt/

If you work in a company I suggest you inform your IT department and don't do that yourself.