[Can't save my file! "...locked by another application"?!]

Ufile technical support responded that file will not save if two versions of ufile are open. This did not solve the problem but turning the windows virus protection off while saving the file did

 

[Can't save my file! "...locked by another application"?!]

I have the same problem. Just seems to have started with the latest update.  I also can’t save a new file. Ufile says it can’t find the file 

 

I have asked ufile for help. Will let you know how they respond