Some Windows 7 users have reported that their PCs started to freeze or randomly display the infamous "Blue screen of death" after applying a January update Microsoft billed as a stability and reliability fix.

Microsoft today said it doesn't consider the problem a "major issue," but acknowledged it's investigating.

As first noticed by Ars Technica, a short thread on Microsoft's Windows 7 support forum discusses the update, which Microsoft issued two weeks ago, on Jan. 25.

The update is designed for both the 32- and 64-bit versions of Windows 7, as well as Windows Server 2008 R2.

Full story: Computerworld