That's useful, but I'll still need your log file to be able to figure this out. Additionally, it would be useful if you could share some of your computer's specifications, like the graphics card you use, the CPU you have and the amount of RAM you have.
Viewing post in game letters look square and black
As explained in the Issues section on the game's page, this is how to get to the log file.
If anything unusual happens or the game closes down completely, be sure to include the latest log file which can be found in the "Logs" subfolder of the "Tiny Life" folder in your local app data folder. You can get to it from the game's Options menu.