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:   6.2.9200.16384 (win8_rtm.120725-1247)
MD5:   d3c93101f4031001f47d38e17c6bb28e
SHA1:   b3d4928a3a9ebaf05dbefa265d8245aa4a2c9381
SHA256:   84d1fe662cb9ad1f51ee569a6ab16e41ff7c184c4bf0a1bfb2facaf4e68009c7
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:6.2.9200.16384 (win8_rtm.120725-1247)
Product version:6.2.9200.16384
Size:13 KB (13,312 bytes)
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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