A Delete Registry section deletes a subkey or value name from the registry. The del-registry-section name must appear in a DelReg item in an Install section.
A Delete Registry section can contain any number of items. Each item deletes one subkey or value name from the registry.
[del-registry-section]
reg-root-string, subkey, [value-name]
[reg-root-string, subkey, [value-name]]
.
.
.
HKCR | Same as HKEY_CLASSES_ROOT. |
HKCU | Same as HKEY_CURRENT_USER. |
HKLM | Same as HKEY_LOCAL_MACHINE. |
HKU | Same as HKEY_USERS. |
HKR | Relative from the key passed into SetupInstallFromInfSection. |
Overview, INF File Format Reference