How to determine a 16 bit application from a 32 bit application ?

Old 16 bit app are still useful and are in use by many. I think this is the result computer evolution. If You want to know whether a particular executable is a 16 bit or 32 bit application, here is a secret. Right-click the program’s executable file and Then choose Properties. If You see a Version tab, it’s a 32-bit program else its a 16-bit program. Alternately You can go into task manager and look for applications that have ntvdm.exe (virtual dos machine) in the name column of process tab. If there is one, it means its a 16 bit app.

Does your computer forgets to power off after shutdown ?
If this is is the case, try this. It may help. Open registry by going to START-RUN and entering REGEDIT and Navigating to [HKEY_CURRENT_USERControl PanelDesktop] and look for value of PowerOffActive key. If it is set to 0, set it to 1 . This may not work in all cases (specially if your hardware does not support APMS protocol) but is worth a try in other cases.

How to avoid password entry at start up ?
Open Administrative tools in control panel and go to Local security policy.Select accounts and within that password policies. Set minimum password length to 0. This should be enough to stop password from being entered at startup.
I have received some criticism for asking users to set their password length to 0 and I agree to some of the potential security risks. Here is one better way to do it.

Go to START-RUN and enter “control userpasswords2″ select the user the you would like to have auto logon set to and then uncheck “Users must enter a user name and password to use this computer”. Ok out. Now you have to do one more thing. Go to START-RUN and enter “control userpasswords” and clicking on “Change the way users log on or off”, and unchecking both “Use the Welcome Screen” and “Use Fast User Switching”.

There is another way to gt to the same screen. Try this to auto logon 1. At a command prompt, type: rundll32 netplwiz.dll,UsersRunDll 2. In the User Accounts dialog that appears, clear the “Users must enter a user name and password to use this computer” check box and click OK. 3. Enter the user name and password of the account you want to automatically log on.

Now Reboot and see it happen.

Move the My Documents Folder

Keeping the My Documents folder on a partition separate from the operating-system files can save you pain if you have to reformat the boot partition. You may also want to store it on a network share that gets backed up regularly. Right-click on My Documents on the desktop or in the Start menu and choose Properties. Click on Find Target to select the new location, and click on OK. In the Move Documents box, click on Yes to move the documents.

Recover a Corrupted System File

If an essential Windows file gets whacked by a virus or otherwise corrupted, restore it from the Windows CD. Search the CD for the filename, replacing the last character with an underscore; for example, Notepad.ex_. If it’s found, open a command prompt and enter the command EXPAND, followed by the full pathname of the file and of the desired destination: EXPAND D:SETUPNOTEPAD.EX_ C:WindowsNOTEPAD.EXE. If either pathname contains any spaces, surround it with double quotes.

If the file isn’t found, search on the unmodified filename. It will probably be inside a CAB file, which Win XP treats as a folder. Simply right-drag and copy the file to the desired location. In other Windows platforms, search for a file matching *.cab that contains the filename. When the search is done, open a command prompt and enter EXTRACT /L followed by the desired location, the full pathname of the CAB file, and the desired filename; for example: EXTRACT /L C:Windows D:I386Driver.cab Notepad.exe. Again, if the destination or CAB file pathname contains spaces, surround it with double quotes.

Keep Files Private

f you want to encrypt the contents of an individual file or directory, Windows XP Pro will do the trick, provided you enable NTFS on your hard drive. To encrypt a file, right-click on it to bring up the Properties window. Click on the Advanced button, then in the Advanced Attributes dialog box click on Encrypt contents to secure data. This will encrypt the file (using either DES, which employs a 56-bit key on each 64-bit block of data, or 3DES, which uses a 56-bit key three times on each 64-bit block of data), and it will provide a certificate just for you. This certificate is key; if you reinstall Windows or otherwise lose your user account, your access to the encrypted files will be gone, too. You need to export your certificates to back them up: For detailed instructions, search on export certificate in Windows Help.

Windows XP does not require you to enter your password when you open the encrypted file. Once you log on to a session, encrypted files are available for you—and anyone who walks up to your system—to view.

Windows XP Home doesn’t support this method. Both XP Home and XP Pro, however, let you create password-protected compressed files. To do this, right-click on the desired file and choose Send To | Compressed (zipped) Folder. Open the resulting folder and select Add a Password from the File menu; delete the original file. Note that this encryption is relatively weak. It should dissuade casual users but won’t put up much of a fight against someone determined to hack it apart.

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