"System Program Problem Detected" at login
8699
Getting "System program problem detected" pops up regularly after upgrade
70952
Error Message: "A reboot is pending. Please restart before starting Visual Studio
48107
Login Screen Before OS Loads?
26634
How do I debug when the system freezes or when it crashes back to login?
95823
12.10 error after login -Evolution calendar
19749
How to debug an unmet dependencies problem?
88808
12.04 stuck at the login screen
48453
Minecraft login issue
53039
Resolve the error "An illegal choice has been detected..."
136765
Failed to load session "ubuntu"
495
Unable to post - login problems with Area 51 ... again
40552
Diagnosing and fixing random Ubuntu crashes without SysReq?
4794
"Sorry, Ubuntu 12.04 has experienced an internal error."
153810
"Untrusted packages could compromise your system's security" appears while trying to install anything
24677
How to diagnose slow booting or logon in Windows?
63772
I can't boot into a usable system after updates. What should I do?
755
What should I do to force the root filesystem check (and optionally a fix) at boot?