Warcraft 3 - registry error loading key Warcraft III\InstallPath..

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Issue


Upon updating your Warcraft 3, the following error message is displayed: "Registry error loading key Warcraft III\InstallPath".

Solution


As the message indicates, the "InstallPath" (installation path) registry key can't be found.
  • Open the registry editor
  • Start> Run > type regedit> Ok
  • Go to HKEY_CURRENT_USER\Software\Blizzard Entertainment\Warcraft III

InstallPath, InstallPathX, Program and ProgramX keys


Note: If the keys listed below do not exist, you must create them by:
  • Right click> New> String Value
  • Under Warcraft III should find the following registry key: InstallPath.
  • Right click> Edit.
  • Set the path to the folder of Warcraft III folder: (default) C:\Program Files\Warcraft III
  • If you have installed The Frozen Throne, you must repeat the operation for InstallPathX.
  • Under Warcraft III should find the following registry key: Program.
  • Right click> Edit

Set the path to Warcraft III.exe: C:\Program Files\Warcraft III\Warcraft III.exe.
If you have installed The Frozen Throne, you must change the ProgramX key by putting the path to Frozen Throne.exe: C:\Program Files\Warcraft III\Frozen Throne.exe.

HKEY_CURRENT_USER\Software\Blizzard Entertainment\Warcraft III should look like this (with Frozen throne installed):
Jean-François Pillou

Jean-François Pillou - Founder of CCM
Better known as Jeff, Jean-François Pillou is the founder of CommentCaMarche.net. He is also CEO of CCM Benchmark and digital director at the Figaro Group.

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