This client is a 32-bit client. Do you have a 64-bit client? Porbably that will solve my graphical issues... My laptop is biting me in the butt for awhile now. :?
Currently, there is no specific 64-bit client. However, the available client should work in both 32-bit and 64-bit environments.
If you have any further questions or trouble, just shoot an email over to support. You can email them directly at Support@wizard101.com. Make sure to include your username and a description of the error you are encountering!