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Sometimes, when you start Remmina, it shows squares instead of each character in all Remmina' GUI elements.
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![image](uploads/05b5a44815444cabe7912831010f0c48/image.png)
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This is cause by a broken fon cache.
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The quick fix is:
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```
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pkill remmina
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rm -rf ~/.cache/fontconfig
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fc-cache -f -v
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sudo rm -rf /var/cache/fontconfig/*
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sudo fc-cache -f -v
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```
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Start Remmina again and the problem should have disappered. |