Today tip will help you to solve the
problem with hidden files and folders in windows XP. Normally in windows
XP, you can view the hidden files and folders using the path,
Tool>Folder Options>View, and then check the "Show hidden files and
folders" radio box. But sometime due to some spyware/trojan attacks,
this radio box is unchecked automatically and you could not show the
system hidden files and folders.
Follow the given steps to visible the hidden files and folders:
To edit the computer registry, first you should log onto your
computer with administrative rights.
Click
Start button and type regedit in Run option then
press Enter for next.

Navigate to
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\
Advanced\Folde r\Hidden\SHOWALL

Now in right side panel, double click on the DWORD value
"CheckedValue", here a small dialog box will appear with the title "Edit
Dword Value".
To modify the "Value data" information
as DWORD
Value to 1 then click on Ok button to finish the process.

Now you can easily view
the hidden files and folders using the path, Tool>Folder
Options>View and then check "Show hidden files and folders" radio box.
But next time, if you want to disable this functionality then
simply change the value of data box to old value.