Should I block it?

No, this file is 100% safe to run.

mdres.exe

Windows Memory Diagnostic by Microsoft

Remove mdres.exe
Version:   6.1.7601.17514 (win7sp1_rtm.101119-1850)
MD5:   c359b4b91e0cbd366d988b1680f61310
SHA1:   e946bfc00dce2c0a25bf4c9234bf24a9c4cce2a2
This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

mdres.exe executes as a process with the local user's privileges. This version is designed to run on Windows 7 and is compiled as a 64 bit program.

DetailsDetails

File name:mdres.exe
Publisher:Microsoft Corporation
Product name:Windows Memory Diagnostic
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\mdres.exe
Original name:MdRes.exe.mui
File version:6.1.7601.17514 (win7sp1_rtm.101119-1850)
Product version:6.1.7601.17514
Size:86.5 KB (88,576 bytes)
Build date:7/13/2009 7:32 PM
Digital DNA
File packed:No
.NET CLR:No
More details

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00000500%
0.028634%
Kernel CPU:0.00000500%
0.013761%
Kernel CPU time:16 ms/min
100,923,805ms/min
CPU cycles:314/sec
17,470,203/sec
Memory
Private memory:1.22 MB
21.59 MB
Private (maximum):3.86 MB
Private (minimum):108 KB
Non-paged memory:1.22 MB
21.59 MB
Virtual memory:59.15 MB
140.96 MB
Virtual memory (peak):60.12 MB
169.69 MB
Working set:224 KB
18.61 MB
Working set (peak):3.86 MB
37.95 MB
Page faults:1,202/min
2,039/min
I/O
I/O other transfer:0 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:1
12
Handles:44
600
GUI GDI count:12
103
GUI GDI peak:14
142
GUI USER count:4
49
GUI USER peak:4
71

BehaviorsProcess properties

Integrety level:High
Platform:64-bit
Command line:C:\Windows\System32\mdres.exe
Owner:User
Parent process:taskeng.exe (Task Scheduler Engine by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 100.00%

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Acer 100.00%
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