Detecting installed programs via registry. User specific settings should be written to HKCUSoftware, machine specific settings to HKLMSoftware. Under these keys, structure software vendor nameapplication name e. HKLMSoftwareMicrosoftInternet Explorer may be the most common, but thats just a convention, not a law of nature. Many most applications also add their uninstall entries to HKLMSoftwareMicrosoftWindowsCurrent. VersionUninstallapp name, but again, not all applications do this. These are the most important keys however, contents of the registry do not have to represent the installed software exactly maybe the application was installed once, but then was manually deleted, or maybe the uninstaller didnt remove all traces of it. If you want to be sure, check the filesystem to see if the application still exists where its registry entries say it is. Windows 7 Migrate Local Profiles to Domain Profiles in 5 Steps and 5 Minutes Using Registry Tweak. Applies To Windows Server 2016, Windows Server 2012 R2, Windows Server 2012. Law Number Five Eternal vigilance is the price of security. 10 Immutable Laws of. Edit If youre a member of the group Administrators, you can check the HKEYUSERS hive each users HKCU actually resides there youll need to know the user SID, or go through all of them. Note As Brian Ensink says, installed is a bit of a vague concept are we trying to find what the user could run Some software doesnt even write to the Registry at all search for portable apps to see apps that have been specifically modified to run directly from media CDUSB and not to leave any traces on the computer. We may also have to scan the disks, and network disks, and anything the user downloads, and world accessible Windows shares in the Internet yes, such things exist legitimately live. In this direction, theres no real limit of what the user can run, unless prevented by system policies.
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November 2017
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