What Importance does Aclui.dll hold?
Aclui.dll is a runtime library belonging to windows operating XP operating system.
It is developed by Microsoft corporation.Aclui.dll is a security descriptor editor. It is an important system dll file, which must not be deleted. It can be found in the windows system folder. The Aclui.dll is part of the windows XP service pack 2.
Aucii.dll is one among the critical system files which are necessary for the operating system to function without any glitches. An important component ACL in aclii.dll is responsible for discretionary access control list (DACL) or the system access control list (SACL). This is necessary for viewing the security permission of an object. To put it simply, when the aucii.dll file is corrupted, there sill be a long delay in opening the when you click the Security tab in the Properties dialog box of an object or the Security tab may be absent.
Errors and Solutions
In general the system files are favorite hosts for viruses. A single corrupted system file can paralyze the entire operating system, so virus writers generally target system files. Like all other system files aclui.dll is also prone to virus attacks – Trojans and viruses.
Checking if the file is corrupted by a virus is easy. Locate the aclui.dll file and check if the version matches with 5.1.2600.2180
How to check the version:
1) The aclui.dll file will be in Window > System folder.
2) Right click on the file and click properties tab.
3) Check if the internal version matches with 5.1.2600.2180
At times, the file can also get corrupted or deleted. In such case you will get an error message like
“Aclui.dll error: file not found” or
“Aclui.dll error: runtime error”
You can solve this problem by simply downloading the aclui.dll and pasting it in Windows > System folder.