Bạn copy đoạn code dưới đây vào NotePad, Save as... với filename là LangkhachFIX.inf.
Code:
[LangkhachDel]
HKCU, SoftwareClasses.exe
HKCU, SoftwareClassessecfile
HKCR, secfile
HKCR, .exeshellopencommand
[LangkhachAdd]
HKCR, exefileshellopencommand,,,"""%1"" %*"
HKCR, .exe,,,"exefile"
HKCR, .exe,"Content Type",,"application/x-msdownload"
HKLM, SoftwareCLASSES