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How can I completly remove MySql on Windows7 because when I uninstal and I install agan there asking the old password, so the uninstall is not complet, there are remaining some data.

  • What did you use to install mySQL? Which version? – Pekka Jun 6 '11 at 14:33
  • Mysql 5.1 version – iUngi Jun 6 '11 at 14:34
  • Stupid question I know but are you running the uninstaller as Administrator? – Graham Jun 6 '11 at 14:34
  • There are various ways of installing mySQL on a Windows computer. Please at least point out which one you used. This is not fit for migration yet – Pekka Jun 6 '11 at 14:36
  • MySQL Community Server 5.1.57 64bit – OHLÁLÁ Jun 6 '11 at 14:38
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To completely remove MySQL (preferences etc), you need to uninstall it and then remove the corresponding directories.

As you're using 64-Bit Win 7, the directories you should delete are (most likely):

  1. C:\Program Files\MySQL *\
  2. C:\ProgramData\MySQL *\ (ProgramData is a hidden folder)
  3. C:\Users\yourname\AppData\Roaming\MySQL *\ (AppData is also a hidden folder)

When you've done that, you'll be able to reinstall using a completely new password.

All that said, you don't need to do this. You can instead reset the root password.

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