OpenKM has many interesting features, but requires some configuration process to show its full potential.
Forum rules: Please, before asking something see the documentation wiki or use the search feature of the forum. And remember we don't have a crystal ball or mental readers, so if you post about an issue tell us which OpenKM are you using and also the browser and operating system version. For more info read How to Report Bugs Effectively.
In the right part of the program files are displayed. File names are very large. They are placed in a column. The page is refreshed exposed column widths are reset. Whether it is possible to change the default value for the column width?
These table does and autofit by default. From administration -> profiles - I do not remember at the moment if community has it, but community 6.3 will have sure - can set the the width for each column
You can not download professional version is only for OpenKM customers. You can download latest 6.2.3 community version what comes with the option to set size to columns. Has it answered your question ?
Can be several reason. First of all I suggest after upgrading openkm clean browser or force reloading ( click on refresh icon in browser after first time you've tryed to load application )
If the problem appeared after upgrade openkm, please add other ticket and do not merge with it. At top right you got problem with icon, is not normal ( caused by some database problem or similar ) if it's a clean installation I suggest clean all with OpenKM.cfg ( create )
If it's a fresh installation I suggest re-create it OpenKM.cfg -> hibernate.hbm2ddl=create -> restart openkm
I think you've changed something in profiles or similar and the error at the starting process are quite difficult to be discovered without debugging the UI.