I'm unsure which Microsoft Update is creating havoc, Primarily because it was a yr in the past when the situation initially arose. (We use WSUS for updates, so Every person should be on precisely the same patch level, or thereabouts) The OP opened about 6 threads on this exact same http://hpprinterpclxlerrorillega71582.collectblogs.com/23225562/the-fact-about-hp-printer-pcl-xl-error-kernel-illegal-tag-that-no-one-is-suggesting