How To Remove a Trojan File Without Using Any Trojan Removing Software

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We all know that there are many quality trojan removers available in the market.But you can easily remove a trojan file without using any third party softwares.

How To:-

Start your computer in Safe Mode.

Start>Search :-Here you start searching by typing the name of the trojan.And if you find any just delete it.

Start>Run>Regedit>ok(in vista and 7 run is in accesaries so acess run from there)

Now navigate to the following registry keys:-
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\MSConfig\startupreg 

Expand all the keys by simply clicking (+)signs.

Now look at the right pane and delete any string having the trojan file.

Now close the registry editor.

And finally don't forget to turn off System Restore [Right click on My Computer>Properties>System Restore>Turn off System Restore>ok/apply.

Restart your machine and turn on System Restore-just the reverse way by which you turned off System Restore.

The Bluetooth File Transfer Wizard is missing(only for laptop and if bluetooth dongle is been connected)

Image via Wikipedia(a blue tooth dongle)

If you use a Bluetooth device on your computer you will get an option -The Bluetooth File Transfer Wizard under Start>All Programs>Accessories

Problem:-You can't find The Bluetooth File Transfer Wizard under Accessories.

Cause:-This behavior will occur if you have a Bluetooth device and software installed on your machine and you upgrade to Service Pack 2, because the OEM files are NOT overwritten.

Resolution:-You have to update the device driver.The best option is to visit the manufacturer's website and download and install the latest driver.

otherwise:-
Start >Run >Devmgmt.msc >OK.
2. Right-click your Bluetooth device and press Properties.
3. Select the Driver tab.
4. Press Update Driver.
5. Follow the on-screen instructions.

Only Wallpaper Appears

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The Problem:- My computer starts up okay with the, then the windows XP logo, then the blue "welcome" logo, but then only wallpaper appears.There is no desktop icon,no taskbar.

Resolution:- Try to determine whether a damaged or incompatible driver is the cause of this behavior. To do this, start Windows XP in Safe mode, and then use the clean boot troubleshooting method to determine whether a specific driver or file is causing this issue.

How to perform advanced clean-boot troubleshooting in Windows XP
http://support.microsoft.com/?kbid=316434&sd=RMVP

Other options to resolve this issue:-

Perform a System Restore
or,
Create a New Use Account
or,
Perform a repair install

Windows cannot find HELPCTR.EXE

Symptom:-When one presses Help and Support on the Start menu, he/she receives a message similar to Windows cannot find HELPCTR.EXE.

Cause:-These behaviors are indicative of a missing or damaged registry entry.

Resolution:-

Start>Run>Type in:cmd.exe>ok
In the command prompt window just copy and paste the following command followed by pressing the ENTER key:-

REG ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\HELPCTR.EXE" /VE /T REG_SZ /D "C:\WINDOWS\PCHealth\HelpCtr\Binaries\HelpCtr.exe" /F

Windows Media Player "An internal application error has occurred"

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The Problem:-When you try to start Microsoft Windows Media Player, you may receive an "An internal application error has occurred" (or a similar) error message.

Cause:-This issue may occur if one or more of the Jscript registry key settings are incorrect. This behavior may also occur if the Jscript.dll file is missing or damaged.

Resolution:-

1.Click Start, and then click Run.

2.In the Open box, type regsvr32 jscript.dll, and then click OK.

3.Click OK.

4.Click Start, and then click Run.

5.In the Open box, type regsvr32 vbscript.dll, and then click OK.

6.Click OK.

If either of the files do not register as expected, or if you receive an error message, the system file may be missing or damaged. To extract the missing file in Microsoft Windows XP, follow these steps:

1.Click Start, and then click Run.

2.In the Open box, type msconfig, and then click OK.

3.Click Expand File.

4.In the File to restore box, type the name of the file that you want to restore.

5.In the Restore from box, type the path of the Windows XP .cab file where you want to restore the file, or click Browse From to locate the Windows XP .cab file.Note The Windows XP .cab files are stored in the I386 folder on the Windows XP CD.

6.In the Save file in box, type the path where you want to extract the new file, or click Browse To to locate the folder that you want.

7.Click Expand.

8.In the System Configuration Utility dialog box, click OK. If you are prompted to restart the computer, click Restart.