Windows XP build 2531
| Build of Windows XP | |
 | |
| OS family | Windows NT |
|---|---|
| Version number | 5.1 |
| Build number | 2531 |
| Architecture | x86 |
| Build lab | xpclient |
| Compiled on | 2001-07-30 |
| Expiration date | |
| Timebomb | 2002-01-26 (+180 days) |
| SKUs | |
| Home Edition Professional | |
| Product key | |
| QB2BW-8PJ2D-9X7JK-BCCRT-D233Y | |
| About dialog | |
  | |
Windows XP build 2531 is a post-RC2 build of Windows XP. The original leaker of this build modified the build by removing the timebomb and activation, and adding TweakUI and customized backgrounds. An unmodified copy of this build's ISO image was later found on 18 June 2022 along with Windows 8 build 7989 AMD64 Free version. Only the Professional SKU of this build is available, while the Home Edition SKU has yet to be shared to the public.
New features and changes[edit | edit source]
Bugcheck[edit | edit source]
The SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (0x7E) and KERNEL_MODE_EXCEPTION_NOT_HANDLED (0x8E) error codes were added.
File differences[edit | edit source]
The following files have been introduced or removed compared to build 2526 Professional:
| Name | Description | Version |
|---|---|---|
| msapsspc.dll | DPA Client for 32 bit platforms | 6.00.7755 |
| Name | Description | Version |
|---|---|---|
| dirmake.txt | ||
| unattend.txt |
Gallery[edit | edit source]
Professional SKU[edit | edit source]
Setup
Graphical setup
Boot screen
Login screen
Start menu
Control Panel
My Computer
System Properties and
winver
Demo
Shutting down
Upgrade setup
Safe to shutdown screen
Home Edition SKU (unleaked)[edit | edit source]
Start menu and
winver
Classic Start menu and
winver
