Question: another program maliciously or mistakenly deleted customat.hlp-related files.
Answer: --> Another program maliciously or mistakenly deleted CUSTOMAT.HLP-related files.

Question: several states allow slot machines only on licensed riverboats or permanently-anchored barges. delaware allows slot machines at three horse tracks.
Answer: --> Several states allow slot machines only on licensed riverboats or permanently-anchored barges. Delaware allows slot machines at three horse tracks.

Question: and in order to thank all the uses' support and also as a return, dll suite introduced this free download service to help millions of pc users suffering from dll errors like lxkptprc.dll.
Answer:
--> And in order to thank all the uses' support and also as a return, DLL Suite introduced this Free Download Service to help millions of PC users suffering from DLL errors like LXKPTPRC.DLL.