What should I do if my homepage cannot be changed?

Method 1:
(In the first place, click ctrlw.alt;delto end the process realplayer.exe in task management!
(2) open my computer! Select a tool-Folder option-view (press the shortcut key Alt + T and then press o) the "Hide protected operating system files (recommended)" check box to cancel, select "show all files and folders!
(3) find Windows/system32/realplayer.exe! Find realplayer.exe faster by pressing ctrlw.f! (This is a trojan script program. It cannot be deleted without being deleted in safe mode. After repeated experiments, I finally found a solution for deletion)
Activation of the task management end the assumer.exe in the process, and then the desktop disappears! Select "file (f)" -- "new task (run...)" in the task manager ..) (N)" again! Delete realplayer.exe in system 32.
Enter regeditand press ctrlw.fto search for realplayer.exe to delete the value, and then press F3 to check the value. All values are deleted!
(5) run the "Regedit" command and follow the path below: HKEY_CURRENT_USER/software/Microsoft/Internet Explorer/main to hide this item and find it on the right: double-click the start page key and change it to "about: blank". Then, right-click Internet Explorer and choose terminal to use blank space! (If you are not a cainiao, search for www. 7939. com in the Registry and delete all the items and values !) This is a success!

Method 2:

1. Security Mode
2. uncheck "Hide protected operating system files (recommended)" in the folder option and select "show all files and folders"
3. Delete C:/Windows/system32/realplayer.exe and the corresponding trojan program (if you know ). Delete the corresponding item C:/Windows/system32/realplayer.exe in the Registry Startup item.
4. Input msconfig to START | run, and remove the check box before realplayer.exe in the startup Item.
5. Restart and change the home page back.

Method 3:

1. Enter msconfigin the security mode and disable bootstat.exein the startup Item. realplayer.exe

2. Open the computer, choose tools> folders, and select [Display System Folder content] in view to remove the check box of [hide protected operating system files. Select [show all files] to remove the known suffix. Delete the files with the extension DLL and EXE and autoexec. bat in the C drive root directory. Delete rundl1.exe,rund1l.exe,clac.exe,csrss.exe,smss.exe,bootstat.exe in the C:/Windows/directory
To C:/Windows/system32/delete 1sy.exe,2sy.exe,3sy.exe,4sy.exe ...... Files such as realplayer.exe.