User interface of Spark might be affected by your window parameter, in this case you will have to adjust the fonts size to ensure a proper visual on Spark. To change this parameter please follow the below information:

1. Close Spark
2. Right click on your Desktop 
3. Select "Display settings"
4. A setting window will pop up, update in this window the parameter "Change the size of text, apps and other items" to 100%
5. Close down this window once the parameter is at 100%
6. Re-Open Spark

 Top