A patch is an immediate response  to a situation.  if a software company identifies a specific issue with their product and the situation is pausing a threat to the operation of the product , they will appoint a team of experts who will work on the situation to find out a solution. It is called a Patch or Hot fix.  It is not a planned situation and address that  specific problem only .

A  service Pack is a planned collection of patches and fixes that is targeting  a  large group of customers than just addressing a specific situation .

When we press the refresh button or press F5 when you are on desktop , the video memeory of your system is reloaded with the up to date information . If will be fine if you are browsing through network folder and it will help to detect a newly added share , or it will also help to redraw an icon that is showing up properly
But associating  it will any kind of performance increment is rubbish. technically , if you press refresh , the system is taking few micro seconds out of its life to serve your idiotic request and if you right click and refresh continuously , the system will slow down a bit because of the extra hard disk read write cycles it has to perform.

It is always better that you plan the installation before hand and avoid such a situation . But if you are trapped in such a situation , read on and do as i mentioned and things are going to be fine.


I assuming you installed windows XP after windows  7 and now only XP boots up. After you reach the desktop of XP , insert the windows 7 DVD to the optical drive.
Go to command prompt by typing CMD at the run option and go to the drive letter of your optical drive. assuming it as E:  
now move to the folder named boot by typing cd boot  , and type the following command
    bootsect.exe /nt60 all

Now the boot sector for windows 7 is fixed . Reboot and you can see that machine will boot to windows 7. Now our aim is to create a multi boot environment where windows 7 and windows XP can co exist.
To achieve it  you have to edit the boot sector with BCDEdit option  . There are so many thirdparty software available to do this task  but you follow the official way from Microsoft.
I assume you  now booted up your windows 7 and it is working fine. Now  start your command prompt with administrative privileges  . For that  go to

All programs –> Accessories –> right click on command prompt and select run as Administrator 

From the command prompt run the follwing command in the specified order
bcdedit  / create  {ntldr} /d  ” Microsoft Windows XP “
bcdedit  /set  {ntldr}  device partition =C:
bcdedit  /set  {ntldr} path  \ ntldr
bcdedit  /displayorder  {ntldr} /addlast

Now exit the command prompt and reboot your windows 7 , Now your system will show dual boot option between windows 7 and XP.
Hope you find it useful ..

 

How to Disable services:

Access the “Start Menu“
Type in “services.msc” in the search line and press “Enter“. (Alternately you can open the “Control Panel“, locate the “Administrative Tools” icon and click on “Services“.)
Go to a service property page to set it to Automatic/Manual or Disabled. Right click on the service name and choose “Properties”.

What you can disable:

Application Experience
Computer Browser (Disable this if you’re not joining any network)
Desktop Windows Manager Session Manager (Disable this if you don’t want the aero effects)
Diagnostic Policy Service
Distributed Link Tracking Client
IP Helper
Offline Files
Portable Device Enumerator Service
Print Spooler (Disable this if you do not have a printer)
Protected Storage
Remote Registry (Disable it for more Security)
Secondary Logon
Security Center
Server (Disable if you’re not running any network or intranet)
Tablet PC Input Service
TCP/IP NetBIOS Helper
Themes (Disable if you do not want aero and good visual appearance
Windows Error Reporting Service
Windows Media Center Service Launcher
Windows Search (Disable it if you hardly use Windows Search feature)
Windows Time (Disable this if you are not synchronizing system time with Internet time automatically)

Resetting windows password using Ubuntu Live CD or DVD

REQUIREMENTS:
For this hack you will require the Ubuntu Live CD or Knoppix or BACKTRACK and CD or DVD drive in the victim's PC whom admin or administrator account you want to hack.

Steps to Hack or reset the Windows administrator password:

Insert Ubuntu Live CD and boot from it.
Open terminal and install chntpw in Ubuntu. To do so use the following commands.
sudo apt-get update
sudo apt-get install chntpw

"It is included in many security focused Linux distributions such as BackTrack and Knoppix STD.So no need to download chntpw for Knoppix or Backtrack"

Now mount your Windows volume. In my case it was dev/sda1. Replace it with yours.
sudo mkdir /media/WINDOWS
sudo mount /dev/sda1 /media/WINDOWS
Now navigate to the Windows configuration folder.
cd /media/WINDOWS/WINDOWS/system32/config/
To reset the administrator password enter
sudo chntpw SAM
After completing this command you will see 5 different choices. Select the 1st one and press Enter and its done.
Now restart your system, it will not ask any password.

Hope it will be useful....Enjoy friends....

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