If after you enter your password or the user credentials to log on, you find that your computer freezes or stops responding at the Welcome screen, this article may interest you.
Windows computer freezes at Welcome screen
This issue occurs in case there is a deadlock in the Gpprefcl.dll file. The Gpprefcl.dll is statically linked to several other .ddl files and it needs to be loaded. If it doesn’t, then your computer may stop responding.
This issue can occur in:
- Windows 7
- Windows Server 2008 R2
- Windows Vista
- Windows Server 2008.
If you face this problem, head over to KB2526870 and request for a hotfix.