KeyView errors are present in logs and you wish to review their meaning.
| Error | Code | Code definition |
| KVERR_DLLNotFound | 1 | DLL or shared library not found |
| KVERR_OutOfCore | 2 | memory allocation failure |
| KVERR_processCancelled | 3 | fpContinue() returns FALSE... |
| KVERR_badInputStream | 4 | Invalid/corrupt input stream |
| KVERR_badOutputType | 5 | Invalid output type requested |
| KVERR_General | 6 | General error.... |
| KVERR_FormatNotSupported | 7 | Format not supported |
| KVERR_PasswordProtected | 8 | File is Password Protected |
| KVERR_ADSNotFound | 9 | Adobe Document Server not found |
| KVERR_AutoDetFail | 10 | Autodetect error |
| KVERR_AutoDetNoFormat | 11 | Unable to detect file format |
| KVERR_ReaderInitError | 12 | Error initializing the reader |
| KVERR_NoReader | 13 | No reader available for this format |
| KVERR_CreateOutputFileFailed | 14 | Unable to create output file |
| KVERR_CreateTempFileFailed | 15 | Unable to create temp file |
| KVERR_ErrorWritingToOutputFile | 16 | Error writing to output file |
| KVERR_CreateProcessFailed | 17 | Error creating a child process |
| KVERR_WaitForChildFailed | 18 | Wait for child process failed |
| KVERR_ChildTimeOut | 19 | Child process hung / timed out |
| KVERR_ArchiveFileNotFound | 20 | Attempt to extract nonexistent file |
| KVERR_ArchiveFatalError | 21 | Fatal error processing archive - abort |
| KVError_OpenStreamFailure | 22 | VOpen stream failure |
| KVError_InterfaceFunctionNotFound | 23 | KVError_InterfaceFunctionNotFound |
| KVError_InputFileNotFound | 24 | Cannot find input file |
| KVError_OpenOutputFileFailed | 25 | Cannot open output file |
| KVError_MemoryLeak | 26 | Memory leak |
| KVError_MemoryOverwrite | 27 | Memory overwrite |
| KVError_GPF | 28 | Exception during oop filtering |
| KVError_OopCore | 29 | Core dump in child process |
| KVError_KVoopLogFailed | 30 | Creation of oop error log failed |
| KVError_OverNestedFileLimit | 31 | File exceeds nested file limit |
| KVError_PSTAccessFailed | 32 | Access failed on PST files |
| KVError_PasswordRequired | 33 | Password required to access file |
| KVError_InvalidArgs | 34 | Input argument/structure is invalid |
| KVError_ReaderUsageDenied | 35 | Reader requires a valid license |
| KVError_OopBadConfig | 36 | Config buffer data was incomplete |
| KVError_OopBrokenPipe | 37 | Read/write to/from pipe failed |
| KVError_OopPipeOEF | 38 | Pipe was closed prior to read/write |
| KVError_IPCTimeOut | 39 | Pipe/socket timed out on poll/select |
| KVError_InvalidOopDriverSignature | 40 | Client sent request to OOP server but context driver does not exist |
| KVError_InvalidOopServiceSignature | 41 | Client sent request to OOP service that does not exist |
| KVError_ZeroFile | 42 | Input file is empty or zero bytes |
| KVError_CompressionNotSupported | 43 | File or subfile is compressed with unsupported method |
| KVError_Last | 44 | KVError_Last |