Explorer.exe process freezes the system, using all CPU / Memory resources on Windows XP

Issue

• Explorer.exe freezes the system.
• Explorer.exe CPU Usage is 99% or 100%.
• Explorer.exe freezes on my download folders / my videos folders.
• Need to restart the computer every time.

Problem

Windows calculates the duration of all videos on the folder you are opening, causing the Explorer.exe process to use almost 100% of its CPU or memory resources. 



Solution to restart Explorer without Restarting

• Press Alt + Ctrl + Del to go to Windows Task Manager.
• Go Processes Tab -> Click on Explorer and press End Process
• Go Applications Tab -> New Task -> Type Explorer -> okay

 Solution

• Click on Start  -> Run -> Type regsvr32 -u shmedia.dll  
• This will disable the previews
  

•  Click on Start -> Run -> Regedit
  
•  Goto HKEY_LOCAL_MACHINE \ SOFTWARE \ Classes \ CLSID \ {87D62D94-71B3-4b9a-9489-5FE6850DC73E}.  You can also access the classes at HKEY_CLASSES_ROOT\CLSID\{87D62D94-71B3-4b9a-9489-5FE6850DC73E}.
• Rename using (-) sign in the front.
• Result will look like -{87D62D94-71B3-4b9a-9489-5FE6850DC73E}.