Thx for the reply.

We managed to solve the problem by reinstalling the whole harddisk. We are using win95 and we think the error may be caued by msOffice service pack or by some other DLL files.




>>I'm just guessing, check the config.sys and autoexec.bat files for drivers
>that are different from existing pcs. It sounds like its a memory problem, or a driver that is causing the memory to hang.
>
>Recently my customer bought 4 new PCs. These PCs will hang after these sequences of events.
>>1. Run my exe
>>2. Exit from my program
>>3. Any attempt to run anything will hang the system.
>>
>>I tried running it from both the network and the local PCs. Same problem. However all the existing PCs don't give any problem. When it hangs, a black window will appear and I can only cold-boot to restart the system. Please note that other existing sets of PCs are running well and they are running the same program from the network drive.