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MS Windows
- Basic Computer Troubleshooting – Windows XP, Vista, 7 Computers
- Basic Blue Screen Error (BSOD) Troubleshooting
- How to speed up your slow computer?
- Windows XP Boot Sequence
- Device Manager is blank
- Windows XP desktop is blank
- USB (pen) drive not detected by computer
- Disk in Destination Drive is Full
- Enable disabled USB ports in a Windows XP computer?
- The Windows Recovery Console
- How to change the Windows XP Product Key?
- Forgot Windows Product Key?
- How to Roll Back a Device Driver?
- Right-click menu is very slow
- What is a Parallel (Dirty) Windows Installation?
- How to Back-up the Windows Registry?
- CD-Rom/DVD-Rom drive not detected by Windows
- Laptop keypad types different characters
- How to restore the Show Desktop icon?
- Windows System Restore
- How to start your computer in Safe Mode?
MS Outlook
- Basic MS Outlook Troubleshooting
- Difference between MS Outlook OST & PST files
- Comparison between MS Outlook & Outlook Express
- Recover deleted items in MS Outlook
- MS Outlook Personal Folders (.PST Files)
- Some important TCP port numbers
- Unable to open MS Outlook Attachments
- Unable to view images in MS Outlook
- Auto Suggest Names Option not working in MS Outlook
- Hyperlinks do not open in MS Outlook & MS Word
Internet Explorer
- Basic Internet Explorer Troubleshooting – Repair or Reinstall
- What is Phishing?
Virus & Spyware
- How to clean a computer when there is a Virus, Spyware, Rootkit, Trojan or any other Malware infection?
- How to protect your computer from viruses, spyware, rootkits, trojans, keyloggers, hijackers and other malware?
- Anti-virus Removal Tools
Network & Internet
- Basic Network Connectivity Troubleshooting
- My Internet Connection is very slow
- Ping Command Error Messages
- What is Winsock?
- How to find the IP address of a computer?
- How to find out the computer name using IP address?
- What is MSConfig?
- Reset TCP/IP stack – Windows XP, Vista, 7, Server 2003
- How to use Remote Desktop Connection?
- How to Speed Up your slow Remote Desktop Connection?
More Tech Articles
- How to access restricted (blocked) websites?
- Windows Keyboard Shortcuts
- Run Commands (Shortcuts) to Control Panel Applets
- Comparision between Windows XP, Vista & 7
- Maintenance tips for your computer
- How to check your hard-disk drives for errors?
- How to modify the Command Prompt window settings?
- How to find the configuration of your own computer?
- The System Information tool in Windows XP, Windows Vista & Windows 7
- Can I leave my computer turned on for a long time?
- Is your computer running 32 bit or 64 bit Windows?
- What is a Batch file?
Active Directory
- Windows Server 2003 – Versions & System Requirements
- Differences between Windows 2000, Windows Server 2003 & Windows Server 2008
- Important Definitions
- How to install multiple processors?
- Windows NT 4.0 vs Windows 2000/Windows Server 2003
- Active Directory Structure
  - Active Directory Objects
- How to configure an Active Directory Domain Controller?
- How to configure an Additional Domain Contoller (ADC)?
- How to add a computer to a domain?
- How to create a Mandatory Profile in Active Directory?
- How to log on to the Domain Controller (Allow Log on Locally)?
- How to implement Group Policies?
  - How to implement Group Policies at OU level?
- How to set up a Trust Relationship between two domains?
- RAID
Interview Questions
- Interview Questions Section
- Interview “Trick” Questions
- Service Desk Team Lead Interview Questions
- Technical Writer Interview Questions
- System Administrator Interview Questions
- Network Administrator Interview Questions
- Technical Support Interview Questions – 1
- Technical Support Interview Questions – 2
- Technical Support Interview Questions – 3
- Technical Support Interview Questions – 4
Networking
- What is a Network?
- Network Topologies
- Networking Devices
- OSI Reference Model
- Network Tools
Printers
- How to connect a Printer to a Computer?
- Basic Wired, Wireless & Bluetooth Printer Troubleshooting
- Cannot print web pages
ITIL
- What is ITIL?
- ITIL – Volumes & Disciplines
- Service Delivery Disciplines of ITIL
- Service Support Disciplines of ITIL
Knowledge Management
- What is Knowledge Management?
- Why do we need Knowledge Management?
- Performance Level Indicators
- Knowledge Management – Challenges
- Daily Activities of a Knowledge Manager
- Knowledge Manager – Functional Roles
- Seven great things a good Knowledge Manager should know
Program Management
- Fundamentals of Program Management
- Daily Activities of a Program Manager
BPO Stuff
- Outbound Tech Sales – Process Flow Diagram
- Inbound Technical Support – Process Flow Diagram
- List of Remote Desktop Connection software
- List of Online Payment Gateways
Good to Know
- What is “Remote Tech Support”?
- Common Computer Terms & Definitions
- What is DOS?
- Dr. Watson
- Laptop or Desktop?
- How to partition a hard-disk drive?
- How to change the display resolution on your monitor?
- How to get the latest Service Packs for your computer?
- How to turn on or turn off the Windows Firewall?
- How to send and receive faxes from a computer?
- How to Backup & Restore data from your Computer?
- Is it Important to Update a Computer Regularly?
- What is Windows Vista’s User Account Control?
- How to copy/burn a file or folder to a cd-rom or dvd-rom disc?
- What is Windows Product Activation?
Miscellaneous
- Tips to clear a job interview
- Are you working in an Abusive Workplace?
- Reasons to leave a previous job
- One dozen tips for employers
- How to make money from your website?
- How to make money online without a website?
Search Engine Optimization
- How to do a Negative SEO Attack?
OSINT
- OSINT Intro
- OSINT Tools
- Encoders-Decoders
Cybercrime
- The Case of Cybercrime against Tekzilver.com
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Some important TCP port numbers

Description	TCP Port Number
POP3	110
SMTP	25
IMAP	143
HTTP	80
HTTPS	443
TELNET	23
FTP (For Data Transfer)	20
FTP (To establish connection between computers)	21
Secure SMTP (SSMTP)	465
Secure IMAP (IMAP4 SSL)	585
IMAP4 over SSL	993
Secure POP3(SSL-POP)	995
Remote Desktop	3389
DNS (Client/Server)	53

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