"STOP: c000021a {Fatal System Error} ... status of 0xc0000135"
Have been struggling this morning with a Windows XP PC which was in a reboot cycle displaying the following error: STOP: c000021a {Fatal System Error} The Windows Logon Process system process terminated unexpectedly with a status of 0xc0000135 (0x00000000 0x00000000). The system has been shut down. God there's a load of crap on the internet - including in the Knowledge Base. "Do a chkdsk. Check the memory" which is all fine and well but it doesn't analyse the problem the computer is actually reporting (although Microsoft take 90% of the blame here for not properly publishing error codes. More posts, including Microsoft, said "do a repair install" but that would have broken stuff I didn't want to break, and doing a re-image would have been inconvenient. Better to see if it could be fixed. Most STOP 21A errors point to issues in winlogon.exe and csrss.exe but the "status of 0xC0000135" was an important differentiator between those and t...