Please Create a Notepad file and Copy codes from here :
REGEDIT4
;This version customized to match WINDOWS XP Registry entries.
;Fixes no Drag-n-Drop problem in Win XP.
[HKEY_CLASSES_ROOT\Interface\{0000010e-0000-0000-C 000-000000000046}]
@="IDataObject"
[HKEY_CLASSES_ROOT\Interface\{0000010e-0000-0000-C 000-000000000046}\NumMethods]
@="12"
[HKEY_CLASSES_ROOT\Interface\{0000010e-0000-0000-C 000-000000000046}\ProxyStubClsid32]
@="{00000320-0000-0000-C000-000000000046}"
[HKEY_CLASSES_ROOT\CLSID\{00000320-0000-0000-C000- 000000000046}]
@="oleprx32_PSFactoryBuffer"
[HKEY_CLASSES_ROOT\CLSID\{00000320-0000-0000-C000- 000000000046}\InprocServer32]
@="C:\\WINDOWS\\system32\\ole32.dll"
"ThreadingModel"="Both"
save file As Fix.reg and Double Click on it then Click Yes.
Also You can Download the Reg File Here : http://aumha.org/downloads/dragndropx.zip