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

Setting PHP Composer Memory Limit via Environment Variable

When running Composer, you may encounter a fatal error like "Allowed memory size exhausted" or "O...

How to Clear Windows Defender Cache Without Rebooting

If Windows Defender is acting up—slow scans, high CPU usage, or outdated definitions—you may need...

Fix Windows Search Indexing Stuck or Frozen

When Windows Search indexing gets stuck or frozen, you may notice that file searches return no re...

How to Fix SSH Permission Denied (Publickey) on Git Push

You try to push a commit and see: Permission denied (publickey). The push fails. Thi...

Fix 'Permission Denied' Error on Windows Update Log File

When you try to open the Windows Update log file (usually %windir%\WindowsUpdate.log...

Fix npm install ENOTFOUND on Windows 10: Package.json Issues