You can use a Corrupted Data Fixer, for your.
That Data are your Stats or saved levels, if you delete it, GD will be as you install for first time. Windows+r>%appdata%>Return one folder to “Local”>Geometry Dash. Go to C:\Program Files (x86)\Steam\steamapps\common\Geometry Dash, right click on GeometryDash.exe, go to properties, go to compatibility, and change the compatibility mode to Windows 95. exe file, running it and then follow the instructions. Try this first, If your Saved Files are corrupted: download the.