5 Ways to Fix ERROR_LOCKED 212 (0xD4) in Windows

Granting the required permissions is a quick solution

4 min. read

Published onNovember 8, 2024

published onNovember 8, 2024

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TheERROR_LOCKEDWindows system error, with code212 (0xD4), is encountered when a program tries to reallocate memory that is already locked and unavailable for other processes. The error message reads,The segment is locked and cannot be reallocated.

This usually happens due to missing permissions, corrupted system files, the presence of conflicting apps, and issues with the RAM.

Before you proceed to the solutions, reboot the PC, install pending Windows updates, anddisable startup appsthat are not critical. For most of you, this will do the trick!

How can I fix the ERROR_LOCKED Windows system error?

1. Run affected app with administrative privileges

2. Repair the corrupted system files

If theERROR_LOCKED The segment is locked and cannot be reallocatedsystem error appears due to corrupted system files, running theDISM(Deployment Image Servicing and Management)and SFC(System File Checker)scans will replace all problematic files with their cached copy and fix things in no time!

3. Uninstall conflicting apps

If a quick removal doesn’t work, it could be the leftover files or Registry entries to blame. In this case, I recommend using atop-rated software uninstallerto wipe all traces of the program that might be triggering conflicts.

4. Test the RAM for issues

WhenWindows Memory Diagnosticcan’t identify any problems, you can always use the more advancedMemtest86+, an open-source RAM testing tool that runs a series of scans on individual memory sticks and detects all issues.

If problems are reported, it’s best to replace the malfunctioning RAM module with a new one!

5. Perform a system restore

When you can’t figure out the underlying cause behind212 (0xD4) The segment is locked and cannot be reallocated, asystem restorecomes to aid by reverting all recent changes to the PC, including the one triggeringERROR_LOCKED.

After you have fixed things, discover expert tips toimprove the performance of Windowsand enjoy a streamlined, error-free experience!

Do you know more fixes for the error? Share them with our readers in the comments section.

5 Ways to Fix ERROR_LOCKED 212 (0xD4) in Windows#

How can I fix the ERROR_LOCKED Windows system error?#

1. Run affected app with administrative privileges#

2. Repair the corrupted system files#

3. Uninstall conflicting apps#

4. Test the RAM for issues#

5. Perform a system restore#