If you move the plug-in manager window to force a redraw do the artifacts go away?
No.
There are two types of corruption: First is the background of the tree view area. Secondly are the items in the tree view itself. If I pass another program window in front of the Plug-in Manager, the corruption in the tree will clear, but the background will have artifacts from the window in front.
Here's what it looks like after I open some of the tree and slide the vertical scroll bar around a bit:
Here's what it looks like after I open a different program window (this one has a light gray cross-hatch over a white background) in front of it, then minimize it.
If I instead slide the Plug-in Manager to the left off-screen and then drag it back slowly, it smears like this:
I get similar smeared artifacts if I slide a different program window around in front of the Plug-in Manager.
Here's my graphics info. I know it's an old card, but this is the first time I've ever had a problem like this. My GeForce fan died and the replacement was a Radeon that I haven't been able to install yet.
Card name: Matrox Millennium G450 Dual Head
Manufacturer: Matrox
Chip type: Matrox G450
DAC type: Integrated, 360 MHz
Device Key: Enum\PCI\VEN_102B&DEV_0525&SUBSYS_0641102B&REV_85
Display Memory: 32.0 MB
Current Mode: 1600 x 1200 (32 bit) (70Hz)
Monitor: Default Monitor
Monitor Max Res:
Driver Name: G400d.dll
Driver Version: 5.12.0001.1200 (English)
DDI Version: 7
Driver Attributes: Final Retail
Driver Date/Size: 8/17/2001 13:56:00, 1733120 bytes
WHQL Logo'd: n/a
WHQL Date Stamp: n/a
VDD: n/a
Mini VDD: G400m.sys
Mini VDD Date: 8/17/2001 11:49:42, 322432 bytes
Device Identifier: {D7B71ECB-4665-11CF-2B77-402626C2C835}
Vendor ID: 0x102B
Device ID: 0x0525
SubSys ID: 0x0641102B
Revision ID: 0x0085
Revision ID: 0x0085
Video Accel:
Deinterlace Caps: n/a
Registry: OK
DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Enabled
DDraw Test Result: All tests were successful.
D3D7 Test Result: Not run
D3D8 Test Result: Not run
D3D9 Test Result: Not run