Har haft samme problem, det skyldes en virus, søg efter en lille reg-fil:
If you find you're unable to run any executable (EXE) files following virus
or malware infection, launch Notepad and copy and paste the bold text below:
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\.exe]
@="exefile"
"Content Type"="application/x-msdownload"
[HKEY_CLASSES_ROOT\.exe\PersistentHandler]
@="{098f2470-bae0-11cd-b579-08002b30bfeb}"
[HKEY_CLASSES_ROOT\exefile]
@="Application"
"EditFlags"=hex:38,07,00,00
"TileInfo"="prop:FileDescription;Company;FileVersion"
"InfoTip"="prop:FileDescription;Company;FileVersion;Create;Size"
[HKEY_CLASSES_ROOT\exefile\DefaultIcon]
@="%1"
[HKEY_CLASSES_ROOT\exefile\shell]
[HKEY_CLASSES_ROOT\exefile\shell\open]
"EditFlags"=hex:00,00,00,00
[HKEY_CLASSES_ROOT\exefile\shell\open\command]
@="\"%1\" %*"
[HKEY_CLASSES_ROOT\exefile\shell\runas]
[HKEY_CLASSES_ROOT\exefile\shell\runas\command]
@="\"%1\" %*"
[HKEY_CLASSES_ROOT\exefile\shellex]
[HKEY_CLASSES_ROOT\exefile\shellex\DropHandler]
@="{86C86720-42A0-1069-A2E8-08002B30309D}"
[HKEY_CLASSES_ROOT\exefile\shellex\PropertySheetHandlers]
[HKEY_CLASSES_ROOT\exefile\shellex\PropertySheetHandlers\PEAnalyser]
@="{09A63660-16F9-11d0-B1DF-004F56001CA7}"
[HKEY_CLASSES_ROOT\exefile\shellex\PropertySheetHandlers\PifProps]
@="{86F19A00-42A0-1069-A2E9-08002B30309D}"
[HKEY_CLASSES_ROOT\exefile\shellex\PropertySheetHandlers\ShimLayer Property
Page]
@="{513D916F-2A8E-4F51-AEAB-0CBC76FB1AF8}"
.........................
"L.K." <aliveinc@yahoo.com> skrev i en meddelelse
news:41cb3762$0$59229$edfadb0f@dread14.news.tele.dk...
> Underlig overskrift, men det er nu sådanne at min masken nr.2 ikke vil
> starte .exe file op, den spørg om hvilken program der skal bruges, meget
> underligt, har ikke oplevet den slags før.
> Nogen andre her, der har prøvet noget ligende, og fået afhjulpet det.
>
> L.K.