Older versions might use Ruby code structures that are deprecated in newer SketchUp versions, causing, for example, rendering failures or geometry errors. How to Update LibFredo6 Safely (Recommended Method)
If the bell continues to signal an update even after you have updated everything: libfredo6 old version upd
Before updating or downgrading, you need to know exactly which version you have installed. Older versions might use Ruby code structures that
Download the desired RBZ file from a reliable source. libfredo6 old version upd
Go to Window > Extension Manager > Manage and uninstall the current LibFredo6.