1603 Install error
April 24th, 2012
One possible resolution for a 1603 error when installing SolidWorks. Rename the following folders on the left tree in the registry (regedit.exe).
On machines with 32-bit Operation System
HKLM\SOFTWARE\Microsoft\VSTAHOST
HKLM\SOFTWARE\Microsoft\VSTAHostConfig
On machines with 64-bit Operation System
HKLM\SOFTWARE\Wow6432Node\Microsoft\VSTAHost
HKLM\SOFTWARE\Wow6432Node\Microsoft\VSTAHostConfig
S-056972 (SolidWorks Solution ID)