Howto Install Windows XP On a USB Flash Or Pen Drive

You can install Windows XP on a USB pen so that you can troubleshoot problem or take your office with you. From the article:

All it takes is a minor error in the Windows Registry or a virus infection, and your operating system can become unbootable. But with a properly configured USB flash drive on hand, you’ll always have a compatible replacement no further away than your pocket or keychain. In addition, the flash drive can also provide a secure browser and virus scanner, and lets you take your favorite DVD burning and Office software with you wherever you may go

All that’s needed is a bootable USB Flash drive with at least 256 MB of storage capacity and a Windows Setup CD. Using the program Bart PE Builder (Freeware), you can install Windows XP on the flash drive, along with other software as needed (and as available space permits)…

Boot Windows From USB Pen Drive
Boot Windows From USB Pen Drive

=> Read more at: Tom’s hardware site

You can do the same thing with Linux and USB pen drive.

Why antivirus application from Symantec, McAfee and Trend Micro do not work?

This is an interesting piece of information.

Antivirus applications from Symantec, McAfee or Trend Micro — the three leading AV vendors in 2005 — are far less likely to detect new viruses and Trojans than the least popular brands.

This has nothing to do with the quality of the software or how long it takes the respective firms to update their clients with signatures and other malware countermeasures. Read more

Anyways

  • Make sure you have up to date patched window XP system
  • Latest virus definition
  • Do not open mails from unknown person
  • Do not accept attachments
  • Firewall turned on both Internet router/gateway (as well as PC level software based firewall)

Find out my CPU speed and type in Windows or Linux system

There are many ways to detect which CPU you are using (AMD or Intel), speed and other stuff such as cache memory etc.

With following commands/tools, you will be able get following information:
=> Detect CPU cache
=> CPU speed and type (processor speed)
=> CPU Manufacturer (AMD, Intel etc)

Detect CPU speed and make Using Windows XP/2000/2003

  • Goto Desktop
  • Right-click the My Computer icon
  • Select Properties

You will see CPU information at the bottom of dialog box.

Detect CPU speed and make Using Linux

Type the following command:

less /proc/cpuinfo

Detect CPU speed and make Using Third party utilities for Windows system

There are third party utilities which can be used to detect the CPU. Please note that not all programs are free some of them are free or shareware. These programs also provides the system diagnostics and benchmarking solution for CPU, FPU, disk and memory etc. Some program may include additional stuff such as hardware monitoring and diagnostics capabilities. Following are two my favorite programs:

Other free program:

Repair the master boot record (MBR) on Windows NTFS partition

Windows NT /2000/XP or Windows server comes with NTFS partition. However some time you are not able to boot from Windows XP/2003 NTFS boot partition due to some reasons such as corrupted MBR or Linux installation problem.

You need to use FIXMBR to fix the master boot record (MBR) on Windows NTFS partition. However, the fixmbr command is only available when you are using the Recovery Console.

Procedure

a) Set BIOS to boot from CD/DVD

b) Inset your Windows setup CD

c) When prompted select Recovery Console option

d) Now go to C:\WINNT or C:\WINDOWS

e) Next type following command:

fixmbr \Device\HardDisk0

f) But how did I obtained the device \Device\HardDisk0 name? The device (drive) on which you want to write a new master boot record can be obtained from the output of the map command. Type following command:

map
fixmbr \Device\HardDisk0

g) Type exit to restart system

exit

h) Remove CD and boot from hard disk.

References

Windows XP: How do I hide folders or files using encrypting file system feature?

If you are using Windows XP Professional edition, it comes with nifty feature called EFS (encrypting file system). Please note that, EFS is Windows XP Professional edition feature only i.e. EFS is not part of Windows XP Home edition.

Using EFS it is possible to encrypt and hide both files and folder.

How do I use EFS?
Make sure you are using NTFS partition.
Now select file or folder you would like to encrypt
Right click a file/folder > Select Properties

Encrypting file system feature
Click on Advanced

Click the box that read as “Encrypt contents to secure data.” > Click Ok > Click Ok

Windows XP Pro encrypting file system feature

Now if other users try to open your file or folder they will get access denied error message.

This way you can protect all the sensitive information on your PC from unwanted users. Now no one can read your files :) Encryption is really nifty feature of Windows XP Professional’s system.

How do I allow someone to view my encrypted files?
Windows XP allows you to add your co-worker or friend to view files. You need to provide them access over local or networked based computer.
Select file
Right Click > Select properties
Click Details
Click Add
Select the user you want to provides access to your encrypted files, and click OK

How do I decrypting files or folders?
Select encrypted file/folder
Click on File/Folder
Click on Advanced
Remove the check mark from the box next “Encrypt contents to secure data,”
Click OK twice.

Test your computer internet security online

Last Sunday I was at my friends’ home. During our discussion we talked about PC security subject. Question was – how do you I know, how secure is my PC from hackers or intruders?

If you are a sys admin or if you visit site such as Slashdot / digg everyday you know how to secure home pc. What about average user?

Not to worry. There is free online tool that can check your basic security and vulnerabilities. It generates reports about your PC.

The Shields UP! site conducts test against your PC for well known security issues on your PC via internet.

How do I test my system?

  • Just visit The Shields UP site.
  • Look for ShieldsUP! Security test > Click on ShieldsUP!
  • Here are screen shots of my Windows XP laptop.

est your computer internet security online

Test your computer internet security online

Changing the Windows XP startup picture aka splash screen (boot screen)

You can change the picture that appears on the Windows XP startup screen (also know as splash screen). No need to use default boot screen. It is nice to see new picture or just to impress your friend.

Available software

=> You can download the TGTSoft’s software called Style XP
=> UserXP Boot Editor

This software allows you to change your boot screen.

But, where to get ready to use boot screen?

Check out this site

Manual method

I highly recommend above software’s. You can change screen by hand i.e. manual method too. The instructions are here.