# DirtFix (DiRT Input Glitch Fixer) v1.6
## Introduction
Recent Codemasters "DiRT" series games check for game controller changes every
2 seconds, which can cause a spike in frame times, leading to gameplay glitches.
DirtFix suspends this background polling to eliminate the glitches it causes.
### Affected games
- DiRT Rally
- DiRT 4
- GRID Autosport
### Fixed games
- DiRT Rally 2.0 (resolved in v1.10.1)
So far Codemasters seem unwilling to apply the known fix to older titles. If
you're unhappy with that, be sure to let them know your opinion:
- Web: [Codemasters Community - General Discussion](https://forums.codemasters.com/forum/16-general-discussion/)
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