speed up pc

Does your pc running like a snail
here are the some of the tips to speed up your pc and make it run faster like a leopard.
1)remove unwanted applications.all annoying unnecessary software which makes pc slower
2)clean up recyclebin .free up the memory using system tool disk fragmenter
go to start -->all programs -->accesories-->systemtools-->disk fragmenter.

this tool saves a lot of memory.
3)use good updated antivirus
4)keep in update your windows which assures of great performance.
5)keep the desktop clean with minimum no of shortcuts.
6)use a software called ccleaner to clean up the cookies ,internet files etc

7)fix registry errors
8)there is another interesting tip to make your pc faster ,this just decreases the delay of your pc
start-->run-->regedit-->HKEY_CURRENT_USER -->control panel folder-->desktop folder-->in registry setting options you will find menu show delay right click and select option "modify"

next you may notice edit string option change the default(400) value to any number between (0 to 400),keep the value as minimun as possible.
restart computer --> then you can see magic,your pc more faster than ever.
although registry editing is not new you can find more info about this in microsoft's support page: http://support.microsoft.com/kb/216445

Registry Editing Has Been Disabled By Your Administrator

Registry Editing Has Been Disabled By Your Administrator
step by step procedure for fixing this problem

this problem occurs when computer gets infected with a virus, trojans.
when you type the command Regedit, you get message the Windows Registry
Editor being disabled.

there are so many methods to deal with this problem
if you are using windows xp i suggest to use this
1. Click Start, Run
2. Type GPEDIT.MSC and Press Enter
3. Go to the following location
User Configuration
Administrative Templates
System
4. In the Settings Window, find the option for "Prevent Access to Registry Editing Tools" and double-click on it to change.
5. Select Disabled or Not Configured and choose OK
6. Close the Group Policy Editor and restart your computer
7. Try opening REGEDIT again
you can use symantec's tool to slove this
Use Symantec's tool to reset shell\open\command registry keys

download the UnHookExec.inf file to your desktop. Right-click on it and choose Install. Restart your computer and then try to open the Registry Editor.