# FAQ

## The animation is too slow...

Unfortunately the Tcl/Tk toolkit lacks a sprite concept, so there is a lot of (invisible double-buffered) redraw going on when dragging cards around.

Disabling Card shadow, Shade legal moves, background table tiles and sound will somewhat improve the display speed.

## The table tiles look strange

Background table tiles should only be enabled when using a true-color video mode - otherwise they may look bad because of dithering.

BTW, you can add your own background tiles by copying the images to the main data/tiles or your home ~/.PySolFC/tiles directory.

## My antivirus app says the Windows installer contains a virus.

We have been asked about the fact that some anti viruses, including those on VirusTotal, have identified the Microsoft Windows downloads as containing malware. What we know is that they are generated from the open source source code by AppVeyor, are checked using VirusTotal before they are uploaded, and at that point were considered to be malware clean.

However, as time passes, they seem to accumulate classifyings as containing malware in what appears to be false positives. So we believe the downloads are nonetheless safe and free of malware.

Furthermore, note that we believe that many anti-malware applications are harmful by themselves, and that they are all an incomplete (non-)solution to an issue that does not exist in Linux and the BSDs operating systems.

For more information, see:

1. Forum discussion
2. Viruses on Linux
3. Discussion about anti-viruses.

## I received an error that there is no module named "formatter".

This error occurs if you're trying to run an older version of PySolFC with Python 3.10. If you are using Python 3.10 or later, please upgrade your version of PySolFC to 2.14.0 or later - older versions are not compatible with Python 3.10.

If you are getting your copy from your Linux distribution's package manager, please contact the people who maintain the packages for your distribution. You can always get the latest version from the PySolFC website or from Flathub.

## It won't let me deal more cards in Spider.

When playing Spider, you are not allowed to deal more cards if there are any empty piles. If there aren't enough cards left to put one in each pile, the game is lost. Part of the game is planning ahead when to deal more cards to avoid this situation.

If you want a variation without this rule, you can play Relaxed Spider instead.

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PySolFC Documentation - version 3.4.1