The
registry contains 5 major branches:
● HKEY_CLASSES_ROOT
– contains information on file-related behavior including what files are
associated with what applications
● HKEY_CURRENT_USER
– contains the preferences of the current user
● HKEY_USERS
– contains the preferences of each user on the system
● HKEY_LOCAL_MACHINE
– contains operating system, hardware, and application settings
● HKEY_CURRENT_CONFIG
– contains hardware settings users can modify for different circumstancesIf a package installs different applications within it, all the applications will install with different prod codes and will be visible in this hive..all having same Display Version.
hklm\sw\MS\windows\currentversion\uninstall\<pckg code>
Or it can also be in
hklm\sw\MS\windows\currentversion\installer\userdata\s-1-5-18\products\
Some of the applications’
prod code can be found out in hklm\sw\Wow3462Node\MS\Windows\CurrentVersion\Uninstall
location if it has any 32bit application within it.
Add/Remove Programs also has to
look into this registry key to find installations for the current user:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
Also it can go into
HKEY_CLASSES_ROOT\Installer\Products location too. Check with the Prod Name
here.
These keys hold all the information of all
Windows Installer products and components that are installed on your
workstation.
●
[HKEY_CLASSES_ROOT\Installer]
●
[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Installer]
●
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer]
ALLUSER
Value
|
Install
Type
|
Registry
Location
|
0
|
Per User
|
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-21-xxxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxx
|
1
|
Per Machine
|
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18
|
2
|
Per user or machine (this
depends what users rights the installing user has)
|
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-21-xxxxxxxxxx-xxxxxxxxx-xxxxxxxxx-xxx
|
or
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18
|
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