[Rollback to 1.0.3?]

Ever since I updated to 1.0.4 the sim takes ages to load the a350 if it does at all. Then it has no external model. These issues just started after updating to 1.0.4. 

Is there a way to rollback to previous version? 

[Issue downloading fedex pack]

Hello, 

I keep getting this error when trying to download the fedex pack.