LR 4.2RC Unable to Drag Sliders

[MBehrens]

My Windows 7 Pro 64bit PC crashed with a BSOD (MEMORY_MANAGEMENT) while working in LR 4.2RC and now most of the sliders in the Develop module do not respond to click and dragging. Certain sliders still work: Basic - Tint, Tone Curve - none, HSL - All, Color - All, B&W - none, Detail - none,  Lens Correction - none,  Effects and Calibration - both none. I can click on a point on the slider bar and the slider will be moved to the position. Can double-click on a bar and it will be reset. Just cannot slide most of the sliders.

Very strange. This is not a PC that crashes a lot, kind of suspect LR for the BSOD.

Any ideas.

[Bryan Conner]

My Windows 7 Pro 64bit PC crashed with a BSOD (MEMORY_MANAGEMENT) while working in LR 4.2RC and now most of the sliders in the Develop module do not respond to click and dragging. Certain sliders still work: Basic - Tint, Tone Curve - none, HSL - All, Color - All, B&W - none, Detail - none,  Lens Correction - none,  Effects and Calibration - both none. I can click on a point on the slider bar and the slider will be moved to the position. Can double-click on a bar and it will be reset. Just cannot slide most of the sliders.

Very strange. This is not a PC that crashes a lot, kind of suspect LR for the BSOD.

Any ideas.

I have not had any crashes at all (using LR4 RC2 or any other program...never a Blue Screen of Death) on my Windows 7 Pro 64bit pc.  You say that your PC does not crash a lot....so it has crashed some?  If it does crash while using other programs, I would suspect that it is not caused by Lightroom.  I wish I had an idea to help you, but I do not.  Good luck.

[MBehrens]

Started LR after everything being shut down over night and sliders work.

[kaelaria]

I would be checking your hard drive(s) for corruption and plan on a speedy swap.