Should I block it?

No, this file is 100% safe to run.

Relationships

PE structurePE file structure
Show functions
Import table
kernel32.dll
DisableThreadLibraryCalls, SetUnhandledExceptionFilter, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, GetSystemTimeAsFileTime, GetCurrentProcessId, GetCurrentThreadId, GetTickCount, QueryPerformanceCounter, InterlockedCompareExchange, Sleep, InterlockedExchange, IsDebuggerPresent
msvcr80.dll
DllMain
rpcrt4.dll
CStdStubBuffer_Invoke, NdrOleAllocate, NdrOleFree, IUnknown_QueryInterface_Proxy, IUnknown_AddRef_Proxy, IUnknown_Release_Proxy, CStdStubBuffer_QueryInterface, CStdStubBuffer_AddRef, CStdStubBuffer_Connect, CStdStubBuffer_IsIIDSupported, CStdStubBuffer_CountRefs, CStdStubBuffer_DebugServerQueryInterface, CStdStubBuffer_DebugServerRelease, NdrStubForwardingFunction, NdrStubCall2, NdrDllUnregisterProxy, NdrDllRegisterProxy, NdrCStdStubBuffer2_Release, NdrCStdStubBuffer_Release, NdrDllCanUnloadNow, NdrDllGetClassObject, CStdStubBuffer_Disconnect
Export table
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
GetProxyDllInfo

PD91Engineps.dll

PerfectDisk 2008 by Raxco Software (Signed)

Remove PD91Engineps.dll
Version:   9, 0, 0, 61
MD5:   c43a3baa9a8cd0bf1e7d7d33be021ca9
SHA1:   63ce95c8bdf6bdbe042422a8c5e637549027b17d
SHA256:   84c1a70679f2dffb1778e356fb344a11fffb61ecc95bd9dd43ebc910b338647c

Overview

pd91engineps.dll is loaded as dynamic link library that runs in the context of a process. This is typically installed with the program PerfectDisk 2008 Professional published by Raxco Software Inc.. The file is digitally signed by Raxco Software which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Microsoft Windows XP (5.1.2600.196608).

DetailsDetails

File name:pd91engineps.dll
Publisher:Raxco Software, Inc.
Product name:PerfectDisk 2008
Description:PD91Engine Proxy
Typical file path:C:\Program Files\raxco\perfectdisk2008\pd91engineps.dll
File version:9, 0, 0, 61
Size:23.26 KB (23,816 bytes)
Certificate
Issued to:Raxco Software
Authority (CA):VeriSign
Effective date:Wednesday, April 12, 2006
Expiration date:Tuesday, May 26, 2009
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 8.0
.NET CLR:No
More details

ResourcesPrograms

The following program will install this file
PerfectDisk 2008 Professional
 Raxco Software Inc.
4% remove
PerfectDisk is a defragmentation utility for Windows that can optimize disk drives with an optimization strategy called SMARTPlacement as well as prevents fragmentation with OptiWrite (detects when Windows is going to fragment files and intelligently redirects I/O to stop the fragmentation).

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 100.00%
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