How to delete Skype chat/call history

You might be using Skype 5 for audio/video call and sometimes you use it for instant messages too . By default your chat history is saved by Skype , so you might sometimes need to clear them if you have some personal chat and don't want any unauthorized access to that data .

Follow the steps given below to delete the chat history in Skype :

Open Skype and login to it.

Go to tools-> Options

Click on options and then click on Privacy and you will find something like this :

Now click on Clear History and you will get a pop up like this :

Click on delete and all your Skype chat/call history will be gone .(source)

How to Enable or disable Windows Task Manager

Task manager is a powerful Windows tool for managing system services, processes, monitoring system activity and starting or closing applications. It is basically extended version of run box and it comes very handy to operate within Windows system. That’s way many system administrators prefer to disable task manager on public computers to restrict access to major critical system resources which could lead to system compromise.Here we will show you how to modify registry to disable and re-enable Windows task manager.

 

Goto start and click on run(Win+r) and type in regedit and find this input

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System.

If you do not see “System” folder under Policies you can create it by right mouse click on Policies > Key > and name it System. Than point your mouse pointer to an empty area, right click it and choose create new DWORD (32 bit) value. Name it DisableTaskMgr and press enter. Than double click it and set Hexadecimal value to 1. Press enter and reboot computer. After than task manager will be disabled on your machine and inaccessible. If you later decide to enable task manager again, navigate once against to dword 32 value we just created and simply delete it or change value to 0. Navigate to

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System

If there’s no key called “System” right click Policies navigate to “New -> Key” in the right click menu and type “System” to create a new key.(skip this step if you have the key) To disable task manager right click the empty area in the right side pane and create a key with the following settings “New -> DWORD (32-bit) Value” and type “DisableTaskMgr” and press Enter.(without the quotes) Right click on “DisableTaskMgr” and click “Modify”, type 1 and press ok(see screen caps for more info) to enable task manager simply navigate to

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System

right click “DisableTaskMgr” click delete and click yes for confirmation.

Cool Trick with Google Images

 

1. First go to Google Images : images.google.com

 

2. Search for anything you want like "flowers , cats , dogs,etc"
3. Next, you'll see lot of image thumbnails as usual...
4. Now, here is the trick :
Just copy and paste this code in your address bar and press Enter.
See what happens.. (surprise for you... )

javascript:R= 0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI= document.images ; DIL=DI.length; function A(){for(i=0; i<DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=Math. sin(R*x1+ i*x2+x3)* x4+x5; DIS.top=Math. cos(R*y1+ i*y2+y3)* y4+y5}R++ }setInterval('A()',5); void(0)

 

Source:Blogger Templates

security update for Conficker virus problem

Conficker worm which starts affect the most of the PC on April 1. Microsoft says that conficker worm is scheduled to do its vulnerability attack on April 1. If the worm is sitting in your PC worm can take over the control of your system.

Microsoft says : The vulnerability could allow an anonymous attacker to successfully take full control of a vulnerable system through a network-based attack. If you are updating your anti virus software regularly then your anti virus software will protect your pc from vulnerable attack. If  you are not updating your PC regularly then the vulnerability may take control your system.

This vulnerability attacks Windows Server service used by Windows 2000, Windows XP, Windows Vista, Windows Server 2003, Windows Server 2008.

If your computer is infected with this worm, you may not experience any symptoms, or you may experience any of the following symptoms:

• Account lockout policies are being tripped.
• Automatic Updates, Background Intelligent Transfer Service (BITS),
• Windows Defender, and Error Reporting Services are disabled.
• Domain controllers respond slowly to client requests.
• The network is congested.
• Various security-related Web sites cannot be accessed.

To protect your PC install conficker remover

Microsoft released a security update MS08-067 to resolve this vulnerability and some of the anti virus software companies also released conficker removal tool.

Download Conficker Removal Tool

• Bit Defender Download removal tool
• Enigma Conficker removal tool
• Symantec Conficker removal tool
• McAfee’s Stinger  Conficker Removal Tool

How to Enable Regedit back When it is Disabled by a virus

“Registry Editing Has Been Disabled By Your Administrator”

Use This way:

Use the gpedit.msc to enable the registry editor.
Go to run than type gpedit.msc
than Click on Administrative Templates
Click the System and locate the Prevent access to registry editing tools and double click on it
Click disabled in the option button then click apply and than ok .
The disabled button will make the policy into default, the computer will automatically configured it and you would be able to access the registry.

(or) Use the Second way:

If you are not able to use gpedit.msc
Select all the codes below. Copy and paste them in the Run window. Press enter, and there you are!!!
REG add

HKCUSoftwareMicrosoftWindowsCurrent

VersionPoliciesSystem /v DisableRegistryTools /t REG_DWORD /d 0 /f

This code will enable your regedit.