VersionsVersions

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
This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

There are 14 versions of pcalua.exe in the wild, the latest version being 6.3.9600.16384 (winblue_rtm.130821-1623). A job within the Windows Task Scheduler is added to execute this process of a specific schedule during installation of the program. The average file size is about 12.75 KB.

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

BehaviorsBehaviors

(Note, the behaviors below are for all versions of pcalua.exe, select a unique version for details.)
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}'

VersionsAll file variations of pcalua.exe

MD5SHA-1File size
e8283af4e98903470b391f24c01aba03 2ddeb77ba774ff23f15fc307c0dd236d5397f256 13 KB
c0ff9c6bd45c1e63fa2c88bafda9ee0d 43acb5d8983aa2f58b48efd12bfaa32a8878fb91 12 KB
41329e445fa6b74670ec594aca94754e b69a275e7e99b24d9af709d9c51359543863ba3e 13 KB
de561ae6a5dc79676bb0dd4c65a72ffb 0a5a87af27fb06de69cce94f23bd0131cb3649a0 11.5 KB
78f1eb7c62243b70446ca3f97c434987 53908122d670f4d8496c3fb2a9d0104ddb03d8cf 13 KB
d3c93101f4031001f47d38e17c6bb28e b3d4928a3a9ebaf05dbefa265d8245aa4a2c9381 13 KB
17f7d9ec191a243ec29e74fd88b2b143 932726b82684b45180e368d8728abcd8c3c8df5f 13 KB
4b3dab2d0e1ea884fb39b82ed8a1e258 b03aa08e154786e9771c0f17526acc7636f8d5b4 11.5 KB
06d3fbf8a41a70cdd31f59c36b273ee8 301b69ee78c21617eab763e950bfc35b9eb67f6e 17 KB
aaa6e08650e7707e3ff9102bcaec4727 d098c5e4ba90017869149eba9852794c6d065ce6 8 KB
2549089234e799d510296d327ea2b679 280038828c2412f3867ddb22e07759cb26f7d8ea 9.5 KB
bd2368eadf170b83e4a9acc168984fc3 2e9a029ce104a0d655041e2bb5897629ad80b289 28 KB
97e6678b67175c2ebb1d0d7c919f5ffc f26b2ac36129717942e5fe2cf002010fd339017b 7.5 KB
ec2fcdf5340553114c8e10926ad5e718 19d9ca4e4218a20590899acf3fa31c5fb38997c5 8.5 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 50.25%
Windows 7 Ultimate 22.75%
Windows 7 Professional 7.00%
Windows 8.1 5.25%
Windows 8.1 Single Language 2.50%
Windows 8.1 Pro 2.25%
Windows 7 Home Basic 2.00%
Windows 8.1 Pro with Media Center 2.00%
Windows 8 Pro 1.50%
Windows 8 0.75%
Windows 8 Enterprise 0.75%
Windows Vista Home Premium 0.75%
Windows 7 Starter 0.75%
Windows 8.1 N 0.50%
Windows Seven Black Edition 0.50%
Windows 8 Single Language 0.25%
Windows 8 Enterprise N 0.25%

Distribution by countryDistribution by country

United States installs about 49.75% of Program Compatibility Assistant.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 24.67%
Hewlett-Packard 19.38%
Sony 13.66%
Acer 11.89%
ASUS 9.69%
Toshiba 5.29%
Sahara 4.63%
Lenovo 4.41%
GIGABYTE 3.08%
Alienware 1.76%
Samsung 0.66%
Intel 0.44%
Medion 0.44%
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