This tool helps you to create, rename, delete or manipulate the root registry keys, subkeys, values, and value data. It can be used to fix several problems in your system.
However, you have to be always careful while using the registry editor tool because even a single wrong entry might make the machine unusable.
Note: Therefore, you are advised to back up the key before performing any operation with the registry editor. For instance, if you wish to delete the residual or junk files, you should not do it yourself unless you are certain about the entries. Otherwise, you can use a third-party registry cleaner that will help you remove all the unwanted registry entries automatically. Note : If you have already used the registry editor before, it will be in an expanded state already.
Note: The mentioned registry keys may differ according to the Windows version you use. Many of the bit keys have the same names as their bit counterparts, and vice versa. The default bit version of Registry Editor Regedit. The WOW64 registry redirector presents bit programs with different keys for bit program registry entries. You can view or edit both bit and bit registry keys and values by using the default bit version of Registry Editor.
To view or edit bit keys, you must use the bit version of Registry Editor Regedit. There are no differences in the way you perform tasks between the bit version of Registry Editor and the bit version of Registry Editor.
To open the bit version of Registry Editor, follow these steps:. You must close the bit version of Registry Editor before you can open the bit version and vice versa unless you start the second instance of Registry Editor with the -m switch. To support the co-existence of bit and bit COM registration and program states, WOW64 presents bit programs with an alternate view of the registry. This particular hive contains the majority of the configuration information for the software you have installed, as well as for the Windows operating system itself.
In addition to software configuration data, this hive also contains lots of valuable information about currently detected hardware and device drivers. In Windows 10 , Windows 8 , Windows 7 , and Windows Vista , information about your computer's boot configuration is included here, too. Open Registry Editor. Executing the regedit command in the Run box is a quick way to get there.
Using the left arrow key will collapse whatever is currently selected. It's organized alphabetically by the software vendor and is where each program writes data to the registry so that the next time the application gets opened, its specific settings can be applied automatically so that you don't have to reconfigure the program each time it's used. It's also useful when finding a user's SID. In most configurations, the following subkeys are hidden keys, and therefore can't be browsed like the other keys under the HKLM registry hive:.
Within each database are group aliases, users, guest accounts, and administrator accounts, plus the name used to log in to the domain, cryptographic hashes of each user's password, and more. It's linked to the security database of the domain where the user is logged in, or to the registry hive on the local computer if the user is logged in to the local system domain. Some free software utilities, like PsExec by Microsoft, are able to open Registry Editor with the proper permissions to view these hidden keys.
This is important to know because some programs in some circumstances, even tools available directly from Microsoft, don't let you abbreviate the hive in registry paths. If you're getting an error while using "HKLM," use the full path instead and see if that fixes it.
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