Studio Installer Not found

  yattonharry 12:50 08 May 05

After switching on, and clicking on User name patch required, the following message appears, with Yellow Exclamation sign - "Visual Studio Installer Loader - the Loader can not find the C:\Windows\Temp\Instmsia.exe file necessary to load the Windows Installer".
Clicking "O.K." does not make this message disapper and clicking Ctrl/Alt/Del, bringing up Close Programme, does not list SysTr or Explr. Only Visual Stnd Installer Loader, KB891711 and Runonce, are listed.
Dell computer XPS T500, 4 yrs old, Windows 98SE.
ScanDisc & Defrag were done 2 days ago but computer worked OK yesterday.
Separate computer used for this message !! Any help appreciated, many thanks.

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