I've tried booting to DOS and starting war2.exe and I get the exactly same error. One more thing that I did - I've installed the same Windows98 distribution to a virtual box VM on my another laptop, installed an additional VGA driver for windows and tried the same warcraft 2 - and it runs.

Hey, hope this message finds you extra well! Recently I decided to try running warcraft 2 on thinkpad R31 (Celeron, 128 Mb RAM, 8 of which are are shared with the integrated video chip Intel 830MG). The laptop runs windows98 SE. The drivers are installed and there are no unknown devices left. Games …