# Fmod Studio start error dll "QtGui4" and "MSVCR80"

**URL:** <https://qa.fmod.com/t/fmod-studio-start-error-dll-qtgui4-and-msvcr80/11532>\
**Category:** FMOD Studio\
**Created:** [June 30, 2014, 5:04pm UTC](https://qa.fmod.com/t/fmod-studio-start-error-dll-qtgui4-and-msvcr80/11532 "2014-06-30T17:04:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![krdrt5367](https://avatars.discourse-cdn.com/v4/letter/k/f04885/32.png) [@krdrt5367](https://qa.fmod.com/u/krdrt5367)\
**Post date:** [June 30, 2014, 5:04pm UTC](https://qa.fmod.com/t/fmod-studio-start-error-dll-qtgui4-and-msvcr80/11532/1 "2014-06-30T17:04:07Z")

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Fmod Studio start error “QtGui4.dll” 2 errors and “MSVCR80.dll” 14 errors, application startup, hmm… :roll: :oops: :evil:

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**Author:** ![nick1](https://avatars.discourse-cdn.com/v4/letter/n/47e85d/32.png) [@nick1](https://qa.fmod.com/u/nick1)\
**Post date:** [July 1, 2014, 12:59am UTC](https://qa.fmod.com/t/fmod-studio-start-error-dll-qtgui4-and-msvcr80/11532/2 "2014-07-01T00:59:43Z")

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Can you post which version of the FMOD studio you are using?

Here is a possible work around:

1. Uninstall FMOD studio
2. Go to the installation folder (by default “c:\program files (x86)\FMOD SoundSystem\FMOD Studio”) and delete all remaining files
3. Reinstall FMOD studio