Fix 'Module Not Found' in Python Virtual Environments
You've activated your virtual environment, installed a package with pip, but Python still says
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesUbuntu APT Lock Troubleshooting Checklist
When you run an apt command and see a message like Could not get lock /var/lib/dpkg/lock-fr...
Windows Defender Scan Stuck at Certain Percentage: Fixes That Work
If you run a Windows Defender scan and it stalls at the same percentage every time—often 85%, 93%...
VirtualBox Kernel Driver Installation Checklist
When VirtualBox fails to start a virtual machine with an error like “Kernel driver not installed”...
Chrome SSL Protocol Error Not Working: How to Fix
You're browsing in Chrome and suddenly get an error like "ERR_SSL_PROTOCOL_ERROR" or "SSL protoco...
How to Clear Windows Update Cache in Windows 10
If Windows Update is stuck, failing with errors, or taking too long to check for updates, a corru...
Issue queue
SitemapFix: Indexing Paused in Windows 10 Search
Windows Update 0x800f0922 Troubleshooting
How to Enable Docker Desktop WSL 2 Integration
How to Resolve Cloudflare DNS Permission Denied
Windows Defender Not Turning On? Fix After Disabling Antivirus
Fix Windows Defender Connection Refused on Windows 10
Outlook Blocking Emails from Certain Sender: Troubleshooting
Windows Update Proxy Configuration Guide
Configuring Postman Timeout Settings
How to Repair Windows Defender Service Path
Windows Update Path Not Found: How to Fix
Fix SSH Host Key Verification Failed
Windows Update 0x800f0922 Troubleshooting
How to Enable Docker Desktop WSL 2 Integration
How to Resolve Cloudflare DNS Permission Denied
Windows Defender Not Turning On? Fix After Disabling Antivirus
Fix Windows Defender Connection Refused on Windows 10
Outlook Blocking Emails from Certain Sender: Troubleshooting
Windows Update Proxy Configuration Guide
Configuring Postman Timeout Settings
How to Repair Windows Defender Service Path
Windows Update Path Not Found: How to Fix
Fix SSH Host Key Verification Failed