BUG: Anti-Virus TSRs May Prevent Builds from VWB

• Microsoft FORTRAN PowerStation for MS-DOS, versions 1.0 and 1.0a

SYMPTOMS

The Visual Workbench (VWB) may hang during the link phase of a build if any active anti-virus protection terminate-and-stay resident (TSR) program is enabled.

CAUSE

Central Point anti-virus (CPAV) and many others provide active anti-virus protection that traps all attempts to modify an executable. The program then asks the user for confirmation before allowing the modification to proceed, and nothing else can happen until the request is either granted or denied. In the Visual Workbench, this request is made in a wintee window, and the user has no way to answer it if that window is invisible.

STATUS

Microsoft has confirmed this to be a problem in FORTRAN PowerStation for MS-DOS, versions 1.0 and 1.0a.

This is not a problem in FORTRAN PowerStation 32.

RESOLUTION

The request for confirmation from the anti-virus software can be seen if wintee is made visible when the Visual Workbench is started. Add the /v option to the command line in the Program Item Properties for the Visual Workbench icon to make wintee visible. This also helps in diagnosing other VWB related problems.

Turning off all the active anti-virus protection software when building programs is another solution.