Click on File, Save as
Change the "save as type:" to All Files (*.*)
Type in the filename: %temp%\sver.dat
Save the file
Now
Click start / Run / type: %temp%
You will have a windows that will open pointing to your temporary folder
Search for the file sver.dat
Right click with the mouse on that file and select "Properties"
In the general Tab, add a check box in the attributes Read-Only
click on Ok
Open silkroad installer and install silkroad.
When you are done, delete the file sver.dat
i did this process and still "the file can be use after the legend 5.0 Alexandria update"