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websites slow to load, videos keep stopping, firefox only

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Happens with both flash and youtube videos. I have:

- Run a full system scan with AVAST (it found 2 items which I deleted). - Refreshed firefox - Reinstalled firefox - Run in safe mode - and the problem seemed to disappear, although I only tried one short video. - Checked add-ons and extensions. The only ones always running are OpenH264, content decryption by Adobe, and content decryption by google. Flash is on "ask to activate." - Turned off hardware acceleration - Played videos in Chrome, which is I just installed. (It seems to work, but I hate Chrome.)

The problem seemed to have started when I got halfway through installing the video conversion program SUPER, then backed out of the installation. The program did say that it would install toolbars - could it have installed something even though I didn't finish the installation? I don't see any extra extensions or strange processes running.

Happens with both flash and youtube videos. I have: - Run a full system scan with AVAST (it found 2 items which I deleted). - Refreshed firefox - Reinstalled firefox - Run in safe mode - and the problem seemed to disappear, although I only tried one short video. - Checked add-ons and extensions. The only ones always running are OpenH264, content decryption by Adobe, and content decryption by google. Flash is on "ask to activate." - Turned off hardware acceleration - Played videos in Chrome, which is I just installed. (It seems to work, but I hate Chrome.) The problem seemed to have started when I got halfway through installing the video conversion program SUPER, then backed out of the installation. The program did say that it would install toolbars - could it have installed something even though I didn't finish the installation? I don't see any extra extensions or strange processes running.

Giải pháp được chọn

Okay, let's try the certificate file. You may have corrupt cert8.db file. cert8.db stores all your security certificate settings

Type about:support in the address bar and press enter.

Under the page logo on the left side, you will see Application Basics. Under this find Profile Folder. To its right press the button Show Folder. This will open your file browser to the current Firefox profile. Now Close Firefox.

Locate the above file. Then rename or delete it. Restart Firefox.

Đọc câu trả lời này trong ngữ cảnh 1

Chi tiết hệ thống bổ sung

Phần bổ trợ đã cài đặt

  • Google Update
  • Intel web components for Intel® Identity Protection Technology
  • Intel web components updater - Installs and updates the Intel web components
  • The plugin allows you to have a better experience with Microsoft SharePoint
  • NPWLPG
  • Shockwave Flash 22.0 r0
  • WildTangent Games App V2 Presence Detector
  • iTunes Detector Plug-in

Ứng dụng

  • Firefox 48.0.2
  • Chuỗi đại diện người dùng: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0
  • URL hỗ trợ: https://support.mozilla.org/1/firefox/48.0.2/WINNT/en-US/

Tiện ích mở rộng

  • Adblock Plus 2.7.3 ({d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d})
  • Avast Online Security 10.3.3.39 (wrc@avast.com)
  • Firefox Hello Beta 1.4.4 (loop@mozilla.org)
  • Firefox Hotfix 20160826.01 (firefox-hotfix@mozilla.org)
  • Multi-process staged rollout 1.2 (e10srollout@mozilla.org)
  • Pocket 1.0.4 (firefox@getpocket.com)
  • Avast SafePrice 10.3.5.39 (sp@avast.com) (không hoạt động)

Javascript

  • incrementalGCEnabled: True

Đồ họa

  • adapterDescription: Intel(R) HD Graphics 4400
  • adapterDescription2:
  • adapterDeviceID: 0x041e
  • adapterDeviceID2:
  • adapterDrivers: igdumdim64 igd10iumd64 igd10iumd64 igd12umd64 igdumdim32 igd10iumd32 igd10iumd32 igd12umd32
  • adapterDrivers2:
  • adapterRAM: Unknown
  • adapterRAM2:
  • adapterSubsysID: 00000000
  • adapterSubsysID2:
  • adapterVendorID: 0x8086
  • adapterVendorID2:
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'']
  • directWriteEnabled: False
  • directWriteVersion: 10.0.14393.0
  • driverDate: 4-22-2016
  • driverDate2:
  • driverVersion: 20.19.15.4444
  • driverVersion2:
  • info: {u'AzureCanvasAccelerated': 0, u'AzureCanvasBackend': u'skia', u'AzureFallbackCanvasBackend': u'cairo', u'AzureContentBackend': u'cairo'}
  • isGPU2Active: False
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'']
  • numTotalWindows: 1
  • supportsHardwareH264: No; Hardware video decoding disabled or blacklisted
  • webglRenderer: Google Inc. -- ANGLE (Intel(R) HD Graphics 4400 Direct3D9Ex vs_3_0 ps_3_0)
  • windowLayerManagerRemote: True
  • windowLayerManagerType: Basic

Thay đổi cài đặt

Linh tinh

  • Người dùng JS: Không
  • Có thể tiếp cận: Không
FredMcD
  • Top 10 Contributor
4245 giải pháp 59390 câu trả lời
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bmilk said

The problem seemed to have started when I got halfway through installing the video conversion program SUPER, then backed out of the installation.

That may mean that something was left behind and causing this issue.

''bmilk [[#question-1138176|said]]'' <blockquote> The problem seemed to have started when I got halfway through installing the video conversion program SUPER, then backed out of the installation. </blockquote> That may mean that something was left behind and causing this issue.
FredMcD
  • Top 10 Contributor
4245 giải pháp 59390 câu trả lời
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Câu trả lời hữu ích

http://download.cnet.com/Super-Video-Converter/3000-2194_4-10277613.html

User comments; DO NOT DOWNLOAD VIRUSES & MALWARE GALORE

Seems to be hijacked by malware and adware

Bloatware alert


You may have ad / mal-ware. Further information can be found in the Troubleshoot Firefox issues caused by malware article.

Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.

http://download.cnet.com/Super-Video-Converter/3000-2194_4-10277613.html User comments; DO NOT DOWNLOAD VIRUSES &#38; MALWARE GALORE Seems to be hijacked by malware and adware Bloatware alert ------------------------- You may have ad / mal-ware. Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article. Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.

Người tạo câu hỏi

OK, lesson learned. I'm really embarrassed. This is the first time I've ever had a virus/malware.

I seem to have gotten rid of it, but now firefox can only connect to https sites. I have successfully turned off/on all access using Avast and made sure firefox is allowed through windows firewall. Not sure what else to try... but I realize this might not be a firefox problem so I suppose you can close this thread.

OK, lesson learned. I'm really embarrassed. This is the first time I've ever had a virus/malware. I seem to have gotten rid of it, but now firefox can only connect to https sites. I have successfully turned off/on all access using Avast and made sure firefox is allowed through windows firewall. Not sure what else to try... but I realize this might not be a firefox problem so I suppose you can close this thread.
FredMcD
  • Top 10 Contributor
4245 giải pháp 59390 câu trả lời
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bmilk said

but I realize this might not be a firefox problem so I suppose you can close this thread.

We can close this after you are all set. Run the browser and let us know what the problems are.

''bmilk [[#answer-915033|said]]'' <blockquote> but I realize this might not be a firefox problem so I suppose you can close this thread. </blockquote> We can close this after you are all set. Run the browser and let us know what the problems are.

Người tạo câu hỏi

Well like I said, I can only connect to sites that have https. Otherwise I get the error message "unable to connect."

Well like I said, I can only connect to sites that have https. Otherwise I get the error message "unable to connect."
FredMcD
  • Top 10 Contributor
4245 giải pháp 59390 câu trả lời
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Câu trả lời hữu ích

I suspect your protection programs may be at fault.

Start your Computer in safe mode with networking. Then start Firefox. Try Safe websites. Is the problem still there?

Starting The Computer In Safe Mode;
Free Online Encyclopedia

I suspect your protection programs may be at fault. Start your '''Computer''' in safe mode with networking. Then start Firefox. Try '''Safe''' websites. Is the problem still there? '''[http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting The Computer In Safe Mode;<br>Free Online Encyclopedia]'''

Người tạo câu hỏi

Nope, it doesn't work in safe mode either.

Nope, it doesn't work in safe mode either.
FredMcD
  • Top 10 Contributor
4245 giải pháp 59390 câu trả lời
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Giải pháp được chọn

Okay, let's try the certificate file. You may have corrupt cert8.db file. cert8.db stores all your security certificate settings

Type about:support in the address bar and press enter.

Under the page logo on the left side, you will see Application Basics. Under this find Profile Folder. To its right press the button Show Folder. This will open your file browser to the current Firefox profile. Now Close Firefox.

Locate the above file. Then rename or delete it. Restart Firefox.

Okay, let's try the certificate file. You may have corrupt '''cert8.db''' file. cert8.db stores all your security certificate settings Type '''about:support''' in the address bar and press enter. Under the page logo on the left side, you will see '''Application Basics.''' Under this find '''Profile Folder.''' To its right press the button '''Show Folder.''' This will open your file browser to the current Firefox profile. Now '''Close Firefox.''' Locate the above file. Then rename or delete it. Restart Firefox.

Người tạo câu hỏi

It's fixed. Thanks for all your help.

It's fixed. Thanks for all your help.
FredMcD
  • Top 10 Contributor
4245 giải pháp 59390 câu trả lời
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Glad to help. Safe Surfing.

Glad to help. Safe Surfing.