Scandisk starts automatically after abnormal exit of Win 95 (OSR2)By: Arie Slob
If you exit Windows 95B (OSR2) abnormally, Scandisk automatically alerts you when you re-boot that it will scan your drive and fix any errors. To prevent this, add the line AUTOSCAN=0 to the [Options] section of the Msdos.sys File.
For an explanation of the Msdos.sys file, and it's contents, see Microsoft's Knowledge Base Article No. 118579
If you want Scandisk to Scan automatically, without prompting you, add the line AUTOSCAN=2 to the [Options] section of the Msdos.sys File.