Occupied IME hot key

Recently, I ungrade an IME method by uninstalling its old one and the install the new one. However, when I have finished the installation, I found that I cannot assign the same hotkey to switch to the IME! It's just told me "請檢查是否有另一個項目使用相同的按鍵順序". Eh ... that's a stupid and inconvient design!

A solution to this problem may be -- downgrade to the original IME, remove its hotkey, and then upgrade again.

A better solution may be remove the old hotkey configuration directly from the registry. Find the folder:

HKEY_CURRENT_USER\Control Panel\Input Method\Hot Keys

There are many subfolders inside it, for example, 00000100, 00000101, 000102, ..., etc. In each subfolder, there are three major values, they are: Key Modifiers, Target IME, and Virtual Key. By inspection the Key Modifiers and Virtual Key, we can identify which is the right subfolder we should remove. For example, suppose the hotkey we would like to remove is Alt-Shift+9, the value for Key Modifiers would be "05 0c 00 00" and the value for Virtual Key would be "39 00 00 00".

Find the subfolder that contains the hotkey you are going to use. Remove it, and then you should be able to assign it to the upgraded IME.

Note: Key Modifier for Ctrl-Shift is "06 0c 00 00"