TSR's that Causes Problems

• Keyboost by PolyTron. Older version.
  
• AST RamDisk, SuperSpool utilities.
  
• Hyperdisk ver 4.31. Causes computer to lockup with "Stack overflow" message from Dos.
  
• Try booting without and TSR's loaded and see if DiskDupe runs better. Please let us know of any other TSR's that you find to be incompatible with DiskDupe.