Back up your registry first.
: Use a trusted antivirus program to ensure the error isn't being caused by a malicious file masquerading as ksomisc.exe . ksomiscexe application error link
The ksomiscexe application error is rarely a sign of malware; it is usually a simple communication breakdown within the WPS Office suite. In 90% of cases, or updating the software resolves the issue immediately. Back up your registry first
Using a reputable registry cleaner can help remove orphaned paths that point to non-existent versions of ksomisc.exe, though this should be done with caution. For further assistance, you can visit the Kingsoft Official Support Page ksomiscexe application error link