Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 1.24%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.08%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.02%
6.2.9200.16384 (win8_rtm.120725-1247) 0.06%
6.2.9200.16384 (win8_rtm.120725-1247) 0.26%
6.2.9200.16384 (win8_rtm.120725-1247) 4.89%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.12%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.02%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.08%
6.1.7600.16385 (win7_rtm.090713-1255) 32.29%
6.1.7600.16385 (win7_rtm.090713-1255) 52.48%
6.1.7600.16385 (win7_rtm.090713-1255) 0.02%
6.0.6000.16386 (vista_rtm.061101-2205) 6.88%
6.0.6000.16386 (vista_rtm.061101-2205) 1.55%

Relationships

pcalua.exe

Program Compatibility Assistant by Microsoft

Remove pcalua.exe
Version:   6.3.9600.16384 (winblue_rtm.130821-1623)
MD5:   e8283af4e98903470b391f24c01aba03
SHA1:   2ddeb77ba774ff23f15fc307c0dd236d5397f256
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is pcalua.exe?

The Program Compatibility Wizard prompts you to test your program in different modes (environments) and with various settings.

About pcalua.exe (from Microsoft)

“For example, if the program was originally designed to run on Microsoft Windows 95, set the Compatibility Mode to Windows 95, and then try to run your program again. If the program runs, the program w”

DetailsDetails

File name:pcalua.exe
Publisher:Microsoft Corporation
Product name:Program Compatibility Assistant
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\pcalua.exe
File version:6.3.9600.16384 (winblue_rtm.130821-1623)
Product version:6.3.9600.16384
Size:13 KB (13,312 bytes)
Build date:8/22/2013 7:21 AM
Digital DNA
Entropy:5.192440
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Scheduled tasks
  • The job '{D8F0D78A-9FA5-4A5B-A283-87B932C1C9E1}' runs on registration in the path '\{D8F0D78A-9FA5-4A5B-A283-87B932C1C9E1}'
  • The task '{BF432B1B-F137-4D8E-883D-BCBD26212E09}' runs on registration in the path '\{BF432B1B-F137-4D8E-883D-BCBD26212E09}'
  • The task '{C01A68B4-A521-4918-9050-A0DB01B132B4}' runs on registration in the path '\{C01A68B4-A521-4918-9050-A0DB01B132B4}'
  • The task '{A6477422-0B1D-4B09-A791-553803B18815}' runs on registration in the path '\{A6477422-0B1D-4B09-A791-553803B18815}'
  • The job '{3F82DE2F-12CC-4E5E-AD01-74A0FB9C9CC3}' runs on registration in the path '\{3F82DE2F-12CC-4E5E-AD01-74A0FB9C9CC3}'
  • The task '{34E119F9-15DD-4494-B8B3-92D88084482F}' runs on registration in the path '\{34E119F9-15DD-4494-B8B3-92D88084482F}'
  • The job '{C8BD8969-7F9D-4312-B819-D557B40D6A16}' runs on registration in the path '\{C8BD8969-7F9D-4312-B819-D557B40D6A16}'
  • The task '{50B445BD-4BB8-420D-BA62-D2246A3F947B}' runs on registration in the path '\{50B445BD-4BB8-420D-BA62-D2246A3F947B}'
  • The job '{04C107E3-A734-4385-BED7-C507AE06B8DF}' runs on registration in the path '\{04C107E3-A734-4385-BED7-C507AE06B8DF}'
  • The task '{AFA0E58B-7480-4D5F-B63F-6512025A1A09}' runs on registration in the path '\{AFA0E58B-7480-4D5F-B63F-6512025A1A09}'
  • The job '{5428A757-9DED-4317-8C26-D330C1ADDB3E}' runs on registration in the path '\{5428A757-9DED-4317-8C26-D330C1ADDB3E}'
  • The task '{51AF32FA-46D0-4AAC-AF4F-C4182173F515}' runs on registration in the path '\{51AF32FA-46D0-4AAC-AF4F-C4182173F515}'
  • The job '{43EE5C2B-93A1-4553-9483-47771BEBA0BC}' runs on registration in the path '\{43EE5C2B-93A1-4553-9483-47771BEBA0BC}'
  • The task '{219B8FEC-6C49-421B-9D7F-D59D391833D8}' runs on registration in the path '\{219B8FEC-6C49-421B-9D7F-D59D391833D8}'
  • The job '{D1787D86-3B01-4D65-B3AA-52B67556B52A}' runs on registration in the path '\{D1787D86-3B01-4D65-B3AA-52B67556B52A}'
  • The task '{9D222CF3-89FA-4EA0-9E03-049AE41C418F}' runs on registration in the path '\{9D222CF3-89FA-4EA0-9E03-049AE41C418F}'
  • The job '{84B9F7A8-7625-4D09-B480-21FA0CE366C0}' runs on registration in the path '\{84B9F7A8-7625-4D09-B480-21FA0CE366C0}'
  • The job '{0BD56516-8783-4E9E-8785-E7789EAB29B6}' runs on registration in the path '\{0BD56516-8783-4E9E-8785-E7789EAB29B6}'
  • The task '{BBC50EE3-3E59-46B7-BFF0-657AF4ED06D5}' runs on registration in the path '\{BBC50EE3-3E59-46B7-BFF0-657AF4ED06D5}'
  • The job '{95DA2D4A-E600-4BED-B435-C6853EBB853C}' runs on registration in the path '\{95DA2D4A-E600-4BED-B435-C6853EBB853C}'
  • The task '{7B73BFED-9D14-4E4C-8847-78339DBEE3A5}' runs on registration in the path '\{7B73BFED-9D14-4E4C-8847-78339DBEE3A5}'
  • The task '{731074B1-47B5-4DFE-890E-0F2EFF9135CA}' runs on registration in the path '\{731074B1-47B5-4DFE-890E-0F2EFF9135CA}'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 50.50%
Windows 7 Ultimate 24.50%
Windows 7 Professional 5.00%
Windows 8.1 Pro 4.50%
Windows 8.1 4.50%
Windows 8.1 Single Language 3.50%
Windows 8 Pro 2.00%
Windows 7 Home Basic 1.50%
Windows 8.1 N 1.00%
Windows Seven Black Edition 1.00%
Windows 8.1 Pro with Media Center 1.00%
Windows 8 0.50%
Windows 8 Single Language 0.50%

Distribution by countryDistribution by country

United States installs about 45.50% of Program Compatibility Assistant.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 23.36%
Dell 22.43%
Sony 21.50%
ASUS 10.28%
Acer 5.14%
Toshiba 4.67%
GIGABYTE 4.21%
Alienware 3.74%
Lenovo 3.74%
Samsung 0.93%
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