Window registry is a hierarchical database that stores configuration settings and options on Microsoft Windows operating systems. It contains settings for low-level operating system components as well as the applications running on the platform: the kernel, device drivers, services, SAM, user ...

learn more… | top users | synonyms (1)

67
votes
10answers
245k views

How do you remove a default program association for file types in Windows 7?

I somehow have set the default file type association for a file type in Windows 7. It doesn't appear to be possible to delete it from the "Change the file type associated with a file extension" ...
60
votes
4answers
6k views

Is “HKLM” an alias for “HKEY_LOCAL_MACHINE”?

HKLM is often used as an abbreviation for HKEY_LOCAL_MACHINE. Somewhat unexpectedly this also appears to be true when I ask reg for a value. C:\>reg query "HKLM\SOFTWARE\Microsoft\Windows NT\...
49
votes
2answers
41k views

How can I disable flashing icons on Windows 7 taskbar?

I set my Windows 7 taskbar to auto-hide. However, sometimes when a program changes or something new happens in a program, the taskbar will show its self, and its respective taskbar icon will begin ...
45
votes
7answers
17k views

Linux equivalent of Windows Registry

What is the Linux equivalent of Windows Registry? If there is no equivalent or similar structure in Linux, how are the things that are done by the Windows Registry handled in Linux?
36
votes
12answers
2k views

Is it worth cleaning the registry?

I have heard that you should keep the registry clean on Windows. Is this actually important or is it just myth?
35
votes
3answers
16k views

Remove Desktop entry from Alt+Tab list

Is it possible to remove the entry for the desktop from Windows 7's Alt+Tab list? So far I have found a post telling me to add an entry to the registry: HKEY_CURRENT_USER/Software/Microsoft/Windows/...
32
votes
5answers
218k views

How to reset shortcuts (.lnk file) in Windows 7?

Somehow I went to open a shortcut and Windows couldn't find the target but instead of pointing the shortcut to the .exe it pointed the .lnk file handler to the .exe, so now all my .lnk files are ...
27
votes
2answers
4k views

What happens when I delete the entire Windows registry?

I've been wondering what would happen if I delete all the registry stuff. Would my PC stop working? Edit: I've edited the code, now it should delete the registry. cd %TMP% reg query HKCR> RegTest....
26
votes
4answers
53k views

What's the easiest and fastest way to compare 2 registry files?

I would like to find the changes made in the registry after installing something on my computer. However I would like to also know what can be done with ease as a general procedure.
24
votes
5answers
5k views

Is there a way to see all files and registry entries that an application installs?

I am trying to figure out if there is a way to basically install an application into a sandbox, so that I can easily see all files it created and all registry entries it added without searching the ...
24
votes
4answers
11k views

Which special variables are available when writing a shell command for a context menu

When extending the Windows' shell context menu (e.g. for adding an 'Open command here' prompt on directories), a 'command' key needs to be created in the registry. The value of this 'command' key ...
23
votes
5answers
33k views

“Always use this program to open these files” is grayed out. Why?

I inadvertently set the Registry Editor to be the default editor for *.txt files. Now when I go to change the default, "Always use this program to open these files" is grayed out. This is the case ...
19
votes
2answers
24k views

Where are the Windows Registry Files stored?

Where can I find the files edited when you run RegEdit?
18
votes
3answers
2k views

Why won't normal uninstalls remove values from the registry?

Expanding on How do I remove residual traces of uninstalled software from the registry? -- every time I uninstall a program and then later look it up via RegEdit it's still there! Why are the ...
18
votes
2answers
3k views

How to restore the Process Name column in Process Explorer?

Currently, Process Explorer's window does not show the process name: (When I run Process Explorer as another user, the column displays correctly.) I have tried dragging all the column handlers, ...
17
votes
7answers
24k views

“Create new text document” option missing from context menu

I noticed today that there is no longer a "Create new text document" option in my Windows 7 (x64 Ultimate) context menu when I right click. No idea how or when it disappeared, point is it's gone. ...
17
votes
8answers
9k views

Easiest way to get right-click “Open command window here” with admin priveleges in Windows 7

I don't want to install PowerToys, I'd rather a simpler solution for this specific problem. I've tried Ctrl+Shift+Right-Click. I've tried adding a registry script, but I get the following error: ...
16
votes
4answers
4k views

Difference between a stand-alone executable file, and an installed executable?

I have noticed on Windows, at least, that you can download a direct, statically-linked executable file and launch it directly, or write your own program and executable it (even dynamically) without ...
15
votes
4answers
15k views

How to change the cmd.exe font? [duplicate]

Possible Duplicate: How to change the Windows console font? Firstly: I have tried the options dialog for it (the one that Windows shows) and I don't want that. The default windows option ...
15
votes
2answers
24k views

Edit another Windows install's registry

I have a hard drive plugged into my computer here which I'd like to edit the registry for. When opening up "regedit," it obviously loads the local Windows registry. Is there a way to load the Windows ...
15
votes
3answers
28k views

Disable Hyperthreading in the Windows 7 registry

Some bios's Do Not have the option to disable Hyperthreading of the CPU, it there a way to disable it in the Windows 7 Registry? Or a tool or software? I know about msconfig boot tab (advanced ...
14
votes
2answers
31k views

Changing windows service display name?

I would like to change the display name of a windows service that has already been created. I have read online that I can just alter the value in the registry. If I alter it in the registry and then ...
14
votes
3answers
39k views

Tool to access another user's registry HKEY_CURRENT_USER

I am looking for a way to access the registry of other users on a computer (so I can copy them). The idea is that I am trying to get a complicated Delphi app to compile and run on more than one ...
14
votes
1answer
43k views

How to disable Windows 10 memory compression?

my former wrong assumption: it drains my notebook battery and I've no shortage of RAM. In Task manager you see ntoskrnl.exe is eating more CPU time than any other process. this feature does not appear ...
13
votes
7answers
3k views

Why does Windows still have the BSOD on Ctrl+Scroll+Scroll “feature”?

While Windows XP came out I heard about a testing feature that existed to manually cause a BSOD (Blue Screen Of Death). I also heard this was supposed to be removed in XP Service Pack 2. It didn't get ...
13
votes
3answers
1k views

Is registry cleaning effective? [duplicate]

Most so called experts would say online that registry cleaning speeds up your computer. I just found a handful opinions that say otherwise i.e. Howtogeek article Also there are some indirect answers ...
12
votes
7answers
79k views

How to edit the registry in Windows 7

Seems like a simple question, but how do you edit the registry in Windows 7? regedit seems nowhere to be found. Or at least typing "reg" into the Search box on the start menu yields nothing, even ...
12
votes
5answers
60k views

Deleted Path environment variable, how to restore?

I accidentally deleted the Path environment variable by creating a new one with Path name. How can i restore my old Path environment variable?
12
votes
4answers
28k views

Permanently disable num lock in windows?

I like to use the number keys for cursor movement. But every so often I hit Num Lock by mistake, and then instead of moving the cursor where I want it, I end up with an input like this: 44444488 ...
12
votes
2answers
20k views

Delete Windows file association using .reg file

Question: Using a .reg file, how do I completely remove a file type association? I tried e.g. deleting HKEY_CLASSES_ROOT\myextension_auto_file but that's apparently not enough. Background: On Windows ...
12
votes
2answers
732 views

The Windows Registry - Why (and Where) Does It Exist?

Was talking to a friend about the registry, and realized I couldn't remember the issues Microsoft was trying to solve that brought it into being. I know it had something to do with too many different ...
12
votes
3answers
428 views

Is there a software that can index the contents of the registry for quick lookups? [closed]

Searching in the Windows registry can be ve------ry------ lo----ng. Is there some tool available that can index the contents of the whole registry, or contents of a single hive, such that fast ...
11
votes
5answers
58k views

Where can I find what license key was used in my installed copy of Visual Studio 2008?

I have legitimate copies of Visual Studio 2008 installed on several computers, each with different license keys. I cannot remember what key was used on each install. Where in the registry can I find ...
11
votes
1answer
3k views

How can I display additional boot and shutdown information on the Windows 7 welcome screen?

There is a small tweak, I believe it is a registry key, that allows to display additional information on the Welcome and Shutting down screens of Windows 7 (and most likely Vista, too). I have ...
11
votes
3answers
10k views

where in the registry does Windows store, with which program to open certain file types?

After installing Adobe PDF reader: *.PDF will be opened by the same. *.html with web browser. *.txt with notepad. If we want to make notepad++ a default editor of text files. I guess it simply changes ...
11
votes
4answers
830 views

What does the path '\REGISTRY\A\…' in Sysinternals Procmon log mean?

I use Sysinternals Procmon utility to monitor the registry access by some programs. Most log entries have the Path property starting from HKCU\… or HKLM\…, that corresponds to the registry hives ...
11
votes
2answers
10k views

How to extract a text list from the Windows Program and Features?

From the Windows Program and Features manage screen(above) I want to create a text file that contains all installed programs: How can I automate this work? I'm thinking about some script that ...
11
votes
5answers
64k views

Remapping a keyboard key in windows 8.1 [duplicate]

How can I remap keyboard keys in windows 8.1? I'm looking for a simple utility which will modify registry and would not require running at startup. I tried sharpkeys but, it does not seem to work in ...
11
votes
3answers
2k views

Make Windows “Show icon and notifications” by default, but let you hide some

In Windows 7 if you have the Always show all icons and notifications on the taskbar option disabled, the setting for individual applications defaults to Only show notifications. Is there a magical ...
10
votes
3answers
35k views

ALWAYS display the last / default user Windows 7 welcome screen

I have three user accounts on a Windows 7 machine: share, admin and standard. I only want the standard account to appear on the welcome screen. I know about the special accounts/user list registry ...
10
votes
2answers
8k views

What are the differences between the multiple ControlSets in the Windows registry?

There are multiple branches with “ControlSet” in their names under HKEY_LOCALMACHINE\SYSTEM. What are the fundamental differences between the way Windows uses these 3 keys? HKLM\System\ControlSet001 ...
10
votes
2answers
594 views

How to assign a icon for “Copy/Cut/Paste/Delete” Windows default context menu items?

Problem Under Windows 8/8.1 x64, I would like to assign a custom icon for the default Windows context menu items such as Copy, Cut, Paste, Delete, Undo, Redo and SendTo items, which by default has ...
9
votes
5answers
37k views

How to disable Google Chrome's Auto-update feature?

I am using Google Chrome. I re-installed it today as it was crashing when I start it. I guess may be that this was due to any of my Extensions or Google Update. I disabled my extensions but it was ...
9
votes
5answers
16k views

Determine if Windows HotFix has been applied

I recently fixed a defect in our product by applying Microsoft hotfix. Some of our customers are still reporting that the issue remains with the hotfix applied. They are using pretty tightly ...
9
votes
4answers
12k views

How can I pin a program to the Windows 7 Taskbar, with parameters?

In my case, I have to login and manage user accounts on a specific PC on our network quite frequently. I just learned that I can use the Windows Computer Management Snap-in to connect to another PC ...
9
votes
3answers
21k views

Changing Windows 8 file type icon

I'm having trouble changing the icon for specific file types in Windows 8. I have read countless how tos including this question and this one, tried FileTypesMan and several other programs and edited ...
9
votes
4answers
3k views

Altering specific configuration values in the On-Screen Keyboard of Windows 7

I have to use the On-Screen Keyboard of Windows 7 for typing: (In case you haven't used it yet, you can get it via: All Programs -> Accessories -> Ease of Access -> On-Screen Keyboard or simply ...
9
votes
5answers
2k views

How to set up Firefox on Windows to ignore registry settings?

It seems that a number of vendors are silently installing Firefox extensions via registry settings. I would like to prevent Firefox from reading any Windows registry settings at start-up. Does anyone ...
9
votes
7answers
44k views

How do I remove an old version of WinPcap?

When installing WinPcap 4.1.2 on Windows 7 I receive the following message "A previous version of WinPcap has been detected on this system and cannot be removed because in use by another application....
9
votes
4answers
3k views

Increase granularity, range and curvature of the volume control slider

There is a common problem for USB speakers (such as Logitech SBS-150 in my case, for which Logitech provides no solution) and headphones- they are too loud. When you use the Windows volume control ...