For Windows 95: When Starting Windows 95... appears on the screen, press F8. The Windows 95 Startup Menu appears.
Select "Command Prompt only" and press Enter. The system starts to a DOS Command Prompt.
Locate and see if there is another copy of HIMEM.SYS file on the hard drive by entering the following command:
DIR HIMEM.SYS /S
Common locations for it are:
C:\Windows\Options\Cabs\HIMEM.SYS
C:\Program Files\Norton Utilities\HIMEM.SYS
Change to the Windows program folder. For example, if the name of the folder is \WINDOWS, enter:
CD WINDOWS
or if the name of the folder is \WIN95, enter:
CD WIN95
Copy the HIMEM.SYS file to the Windows program folder. For example, if you found HIMEM.SYS in the C:\Windows\Options\Cabs\ folder, enter the following command from the Windows program folder:
COPY C:\Windows\Options\Cabs\HIMEM.SYS
or if you found the file in the C:\PROGRA~1\NORTON~1 folder, enter the following command from the Windows program folder:
COPY C:\PROGRA~1\NORTON~1\HIMEM.SYS
Restart the computer.