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Perform a clean boot and see if you are able to log in to windows normally:
Troubleshoot Application Conflicts by Performing a Clean Startup
And carry out the following: Recommendations:
McAfee is a very frequent cause of BSOD's. Please remove it using its removal tool from here: Uninstallers (removal tools) for common antivirus software - ESET Knowledgebase
Start Menu\Programs\McAfee Public:Start Menu\Programs\McAfee Public
We recommended Microsoft Security Essentials from a strict BSOD perspective. Is most compatible & provides most stability compared to other antivirus app/Internet Security Software.
Do not start the free trial of Malware Bytes; remember to deselect that option when prompted.
Run a full scan with both (separately) once downloaded, installed and updated.
Perform a System File Check to check the integrity of all protected Windows 7
- Click Start Menu
- Click All Programs
- Click Accessories
- Right click Command Prompt
- Click Run as administrator
- and press Enter
Full tutorial here:
Check your hard drive(s) for errors by running chkdsk:
Number down items at start-up. Keep only your anti-virus, this also improves the time for logging into windows.
- Click on the Start button
- Type “msconfig (without quotes), click the resulting link. It will open the System Configuration window.
- Select the “Startup” tab.
- Deselect all items other than the antivirus.
- Apply > OK
- Accept then restart.
Let us know the results and further BSOD reports if any.