If the saved templates in your files folder (the ones you save with the “Save template laout” function) are corrupted, do the following.
Click on “Files > Open Data Folder > MQL4 > Files
Locate the 3 template files (Simplicity YWY, Simplicity YYB and Simplicity YYR) and delete them.
Close the chart down
Open new chart
Apply one of the Simplicity templates from the template folder
If the saved templates in the template folder is corrupted, you can now take one of the default templates, by clicking on one of the strategy buttons (YWY, YYB or YYR) and save the template the “normal” way by right click the chart > Templates > Save Template