Knowledge base for software setup, errors, and daily tool work.

Fix Windows Activation Blank Screen After Update

After a Windows update, some users see only a blank screen at login. The system may be unresponsi...

Windows Security App Missing in Windows 11: How to Restore It

If you open Start and type 'Windows Security' but nothing appears, or you get an error when tryin...

Fix Windows Defender Blank Screen Error Code

When you open Windows Security and see a blank screen with an error code, it usually means a core...

Composer Memory Limit 1024M Still Failing: Fixes That Work

You’ve set COMPOSER_MEMORY_LIMIT=1024M or added memory_limit=1024M to <...

Fix PowerShell Module Not Found on Windows 10

You run a PowerShell command like Import-Module and get an error: "The specified mod...

Fix Windows Security Authentication Error 0x80070035