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Lag spikes while using paint brush, eraser, or pencil tool after updating to 4.04

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After updating to paint.net version 4.04,  when I use the brush, eraser, or pencil tool, there are extreme lag spikes where the cursor continues to move, but does not draw or erase. After the spike is over, what was drawn during the spike suddenly appears. Looking at my CPU usage monitor, there are noticeable spikes in CPU usage while drawing as well. Before updating to 4.04, I have never had issues using this program. I've tried reinstalling already. Any thoughts? (Edit: Upon further inspection, the gradient tool, line tool, shape tool, and moving pixels results in the same issue. )


Here is the information from the diagnostics section.

Application    paint.net 4.0.4 (Final 4.4.5447.5675)
Build Date    Sunday, November 30, 2014
Hardware accelerated rendering (GPU)    True
Animations    True
DPI    96.00 (1.00x scale)
Language    en-US
OS    Windows 7 Service Pack 1 (6.1.7601.65536)
.NET Runtime    4.0.30319.18444
Physical Memory    4,055 MB
CPU    Intel® Core i5 CPU         750  @ 2.67GHz
    Architecture    x64 (64-bit)
    Process Mode    64-bit
    Speed    ~2666 MHz
    Cores / Threads    4
    Features    DEP, SSE, SSE2, SSE3, SSSE3, SSE4_1, SSE4_2
Video Card    AMD Radeon HD 5700 Series
    Dedicated Video RAM    1,017 MB
    Dedicated System RAM    0 MB
    Shared System RAM    1,771 MB
    Vendor ID    0x1002
    Device ID    0x68B8
    Subsystem ID    0x1482174B
    Revision    0
    LUID    0x0000B1F2
    Flags    None
    Outputs    1

Edited by GoldenWitch
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