1- AdminCP > vBulletin Options > User Picture Options

Avatars Enabled = Yes 
Avatar Display Width = 3
Avatars Per-Page = 6
Profile Pictures Enabled = Yes

2- AdminCP > vBulletin Options > User Listing & Profile Viewing > Member List Field Options

Profile Picture = Yes 
Avatar = Yes

3- AdminCP > vBulletin Options > User Registration Options > Default Registration Options

Display Avatars = Yes

AdminCP > vBulletin Options > Message Attachment Options

Limit Space Taken Up By Attachments (Total) = 0

Attachments Per Post = 5

Attachment Upload Inputs = 5

Attachment URL Inputs = 5

B-Kullanıcı Grup İzinleri :

1- AdminCP > Usergroups > Usergroup Manager > [Registered User] > Picture Uploading Permissions

Can Upload Profile Pictures = Yes
Can Upload Animated Profile Picture = Yes
Profile Picture Maximum Width (pixels) = 150
Profile Picture Maximum Height (pixels) = 150
Profile Picture Maximum File Size (bytes) = 153600
Can Upload Custom Avatars = Yes
Can Upload Animated Avatar = Yes
Custom Avatar Maximum Width (pixels) = 150
Custom Avatar Maximum Height (pixels) = 150
Custom Avatar Maximum File Size (bytes) = 153600
Can Upload Images for Signature = Yes
Can Upload Animated GIF for Signature = Yes
Signature Image Maximum Width (pixels) = 150
Signature Image Maximum Height (pixels) = 150
Signature Image Maximum Filesize (bytes) =153600

2- AdminCP > Usergroups > Usergroup Manager > [Registered User] > Attachment Permissions


Can Upload Attachments = Yes
Space (in bytes) that a user's total attachment usage may consume = 0

C- Forum izinleri (Eklenti):

AdminCP > Attachments > Attachment Permissions (Bu kısımda istenilen uzantı için kullanıcı grubu izinlei düzenlenir (jpg resmi için aşağıdaki gibidir)

Can use this extension  = 153600
Maximum Width = 1024
Maximum Height = 1024

D- Avatar Depolama Konumu :

Eğer avatarlar dosya sisteminde depolanacak ise dizinlerin varlığı aşağıdaki gibi olmalıdır ve CHMOD 755 (bazı sunucularda 777) olmalıdır

AdminCP > Avatars > User Picture Storage Type

Avatar File Path = ./customavatars
URL to avatars = customavatars
Profile Picture Path = ./customprofilepics
URL to Profile Pictures = customprofilepics
Signature Picture Path = ./signaturepics
URL to Signature Pictures = signaturepics

E- Script Sorunları :

1-Yüklemeyi engelleyici 3.parti Hack/Plug-in veya script izinleri
2-vBulletin Orjinal kodların dışında yapılan düzenlemeler (modifiye)
3- Thema/ Stil kaynaklı sorunlar


F- Sunucu Sorunları 1- Aşağıdaki konumdan php.ini değişkenlerini doğrulayın

allow_url_fopen = On
upload_tmp_dir
upload_max_filesize = 8MB
safe_mode = off
extension_dir = ./
file_uploads = On

2- AdminCP > vBulletin Options > Server Settings and Optimization Options
Safe Mode Upload Enabled = No
Safe Mode Temporary Directory = /tmp